./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_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 56df4eb5f1ce718ca5531ff4f8afda450f18f02286533668c4676eba9d6cba09 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:44:02,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:44:02,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:44:02,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:44:02,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:44:02,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:44:02,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:44:02,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:44:02,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:44:02,607 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:44:02,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:44:02,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:44:02,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:44:02,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:44:02,609 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:44:02,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:44:02,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:44:02,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:44:02,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:44:02,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:44:02,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:44:02,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:44:02,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:44:02,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:44:02,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:44:02,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:44:02,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:44:02,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:44:02,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:44:02,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:44:02,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:44:02,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:44:02,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:44:02,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:44:02,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:44:02,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:44:02,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:44:02,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:44:02,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:44:02,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:44:02,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:44:02,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:44:02,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56df4eb5f1ce718ca5531ff4f8afda450f18f02286533668c4676eba9d6cba09 [2024-10-24 07:44:02,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:44:02,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:44:02,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:44:02,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:44:02,892 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:44:02,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-10-24 07:44:04,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:44:04,686 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:44:04,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-10-24 07:44:04,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb17946d/168b7dfbb4504da6925861ce5aa148d3/FLAG12fbba65d [2024-10-24 07:44:04,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb17946d/168b7dfbb4504da6925861ce5aa148d3 [2024-10-24 07:44:04,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:44:04,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:44:04,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:44:04,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:44:04,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:44:04,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:44:04" (1/1) ... [2024-10-24 07:44:04,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@938a3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:04, skipping insertion in model container [2024-10-24 07:44:04,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:44:04" (1/1) ... [2024-10-24 07:44:04,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:44:04,955 WARN L248 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-pr-cn_file-86.i[919,932] [2024-10-24 07:44:05,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:44:05,043 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:44:05,056 WARN L248 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-pr-cn_file-86.i[919,932] [2024-10-24 07:44:05,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:44:05,114 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:44:05,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05 WrapperNode [2024-10-24 07:44:05,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:44:05,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:44:05,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:44:05,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:44:05,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,179 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-24 07:44:05,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:44:05,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:44:05,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:44:05,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:44:05,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,223 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]. [2024-10-24 07:44:05,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:44:05,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:44:05,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:44:05,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:44:05,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (1/1) ... [2024-10-24 07:44:05,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:44:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:44:05,333 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) [2024-10-24 07:44:05,341 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 [2024-10-24 07:44:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:44:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:44:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:44:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:44:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:44:05,485 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:44:05,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:44:06,047 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 07:44:06,048 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:44:06,096 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:44:06,096 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:44:06,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:44:06 BoogieIcfgContainer [2024-10-24 07:44:06,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:44:06,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:44:06,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:44:06,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:44:06,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:44:04" (1/3) ... [2024-10-24 07:44:06,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f20775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:44:06, skipping insertion in model container [2024-10-24 07:44:06,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:44:05" (2/3) ... [2024-10-24 07:44:06,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f20775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:44:06, skipping insertion in model container [2024-10-24 07:44:06,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:44:06" (3/3) ... [2024-10-24 07:44:06,109 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-86.i [2024-10-24 07:44:06,126 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:44:06,127 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:44:06,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:44:06,215 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;@3424700, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:44:06,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:44:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:44:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:44:06,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:06,243 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:06,243 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:06,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash -567852653, now seen corresponding path program 1 times [2024-10-24 07:44:06,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:06,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824520459] [2024-10-24 07:44:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:06,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824520459] [2024-10-24 07:44:06,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824520459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:06,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:06,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:44:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431318075] [2024-10-24 07:44:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:06,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:44:06,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:44:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:44:06,951 INFO L87 Difference]: Start difference. First operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:44:07,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:07,008 INFO L93 Difference]: Finished difference Result 191 states and 345 transitions. [2024-10-24 07:44:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:44:07,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2024-10-24 07:44:07,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:07,019 INFO L225 Difference]: With dead ends: 191 [2024-10-24 07:44:07,019 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 07:44:07,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:44:07,027 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:07,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:44:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 07:44:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-24 07:44:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:44:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 152 transitions. [2024-10-24 07:44:07,087 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 152 transitions. Word has length 192 [2024-10-24 07:44:07,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:07,087 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 152 transitions. [2024-10-24 07:44:07,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:44:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2024-10-24 07:44:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:44:07,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:07,092 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:07,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:44:07,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:07,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:07,094 INFO L85 PathProgramCache]: Analyzing trace with hash -220304939, now seen corresponding path program 1 times [2024-10-24 07:44:07,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:07,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869494200] [2024-10-24 07:44:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:07,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:07,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869494200] [2024-10-24 07:44:07,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869494200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:07,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:07,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:44:07,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791399065] [2024-10-24 07:44:07,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:07,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:44:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:44:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:44:07,477 INFO L87 Difference]: Start difference. First operand 95 states and 152 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:07,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:07,529 INFO L93 Difference]: Finished difference Result 190 states and 305 transitions. [2024-10-24 07:44:07,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:44:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:44:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:07,533 INFO L225 Difference]: With dead ends: 190 [2024-10-24 07:44:07,534 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 07:44:07,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:44:07,540 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:07,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:44:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 07:44:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 07:44:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 63 states have internal predecessors, (91), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:44:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-24 07:44:07,561 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 192 [2024-10-24 07:44:07,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:07,563 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-24 07:44:07,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-24 07:44:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:44:07,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:07,569 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:07,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:44:07,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:07,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:07,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1231422189, now seen corresponding path program 1 times [2024-10-24 07:44:07,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:07,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373214104] [2024-10-24 07:44:07,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:08,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:08,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373214104] [2024-10-24 07:44:08,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373214104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:08,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:08,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:44:08,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11790247] [2024-10-24 07:44:08,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:08,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:44:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:08,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:44:08,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:44:08,149 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:08,456 INFO L93 Difference]: Finished difference Result 287 states and 458 transitions. [2024-10-24 07:44:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:44:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:44:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:08,460 INFO L225 Difference]: With dead ends: 287 [2024-10-24 07:44:08,460 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 07:44:08,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:44:08,464 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 149 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:08,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 519 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:44:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 07:44:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 148. [2024-10-24 07:44:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 07:44:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2024-10-24 07:44:08,515 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 192 [2024-10-24 07:44:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:08,518 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2024-10-24 07:44:08,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2024-10-24 07:44:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:44:08,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:08,521 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:08,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:44:08,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:08,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2049070639, now seen corresponding path program 1 times [2024-10-24 07:44:08,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:08,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883864636] [2024-10-24 07:44:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:08,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:14,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883864636] [2024-10-24 07:44:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883864636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:14,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 07:44:14,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500458912] [2024-10-24 07:44:14,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:14,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 07:44:14,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:14,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 07:44:14,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-24 07:44:14,771 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:15,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:15,816 INFO L93 Difference]: Finished difference Result 383 states and 606 transitions. [2024-10-24 07:44:15,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 07:44:15,817 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:44:15,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:15,820 INFO L225 Difference]: With dead ends: 383 [2024-10-24 07:44:15,820 INFO L226 Difference]: Without dead ends: 288 [2024-10-24 07:44:15,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2024-10-24 07:44:15,823 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 516 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:15,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1071 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 07:44:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-24 07:44:15,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 189. [2024-10-24 07:44:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 07:44:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2024-10-24 07:44:15,847 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 192 [2024-10-24 07:44:15,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:15,848 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2024-10-24 07:44:15,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 14 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2024-10-24 07:44:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:44:15,852 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:15,852 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:15,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:44:15,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:15,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:15,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1659090643, now seen corresponding path program 1 times [2024-10-24 07:44:15,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:15,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931572251] [2024-10-24 07:44:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:15,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:16,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:16,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931572251] [2024-10-24 07:44:16,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931572251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:16,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:16,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:44:16,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531869452] [2024-10-24 07:44:16,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:16,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:44:16,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:16,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:44:16,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:44:16,025 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:16,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:16,084 INFO L93 Difference]: Finished difference Result 378 states and 601 transitions. [2024-10-24 07:44:16,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:44:16,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:44:16,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:16,089 INFO L225 Difference]: With dead ends: 378 [2024-10-24 07:44:16,090 INFO L226 Difference]: Without dead ends: 283 [2024-10-24 07:44:16,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:44:16,093 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 144 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:16,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 340 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:44:16,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-24 07:44:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2024-10-24 07:44:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 184 states have (on average 1.4076086956521738) internal successors, (259), 184 states have internal predecessors, (259), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:44:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 445 transitions. [2024-10-24 07:44:16,132 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 445 transitions. Word has length 192 [2024-10-24 07:44:16,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:16,133 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 445 transitions. [2024-10-24 07:44:16,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 445 transitions. [2024-10-24 07:44:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:44:16,136 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:16,136 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:16,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:44:16,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:16,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:16,137 INFO L85 PathProgramCache]: Analyzing trace with hash 944903240, now seen corresponding path program 1 times [2024-10-24 07:44:16,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:16,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370575547] [2024-10-24 07:44:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:27,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:27,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370575547] [2024-10-24 07:44:27,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370575547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:27,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:27,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:44:27,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424821320] [2024-10-24 07:44:27,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:27,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:44:27,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:27,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:44:27,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:44:27,960 INFO L87 Difference]: Start difference. First operand 281 states and 445 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:34,560 INFO L93 Difference]: Finished difference Result 364 states and 563 transitions. [2024-10-24 07:44:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 07:44:34,562 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:44:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:34,565 INFO L225 Difference]: With dead ends: 364 [2024-10-24 07:44:34,565 INFO L226 Difference]: Without dead ends: 362 [2024-10-24 07:44:34,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:44:34,569 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 620 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:34,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1138 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 07:44:34,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-24 07:44:34,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 282. [2024-10-24 07:44:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:44:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 446 transitions. [2024-10-24 07:44:34,607 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 446 transitions. Word has length 193 [2024-10-24 07:44:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:34,608 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 446 transitions. [2024-10-24 07:44:34,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2024-10-24 07:44:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:44:34,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:34,611 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:34,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:44:34,611 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:34,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash 732745826, now seen corresponding path program 1 times [2024-10-24 07:44:34,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:34,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975783843] [2024-10-24 07:44:34,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:34,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:35,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:35,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975783843] [2024-10-24 07:44:35,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975783843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:35,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:35,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 07:44:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308476207] [2024-10-24 07:44:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:35,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 07:44:35,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 07:44:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:44:35,105 INFO L87 Difference]: Start difference. First operand 282 states and 446 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:44:35,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:35,220 INFO L93 Difference]: Finished difference Result 492 states and 773 transitions. [2024-10-24 07:44:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 07:44:35,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2024-10-24 07:44:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:35,226 INFO L225 Difference]: With dead ends: 492 [2024-10-24 07:44:35,226 INFO L226 Difference]: Without dead ends: 302 [2024-10-24 07:44:35,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 07:44:35,228 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 161 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:35,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 300 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:44:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-24 07:44:35,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2024-10-24 07:44:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 191 states have (on average 1.3769633507853403) internal successors, (263), 191 states have internal predecessors, (263), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:44:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 449 transitions. [2024-10-24 07:44:35,252 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 449 transitions. Word has length 193 [2024-10-24 07:44:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:35,253 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 449 transitions. [2024-10-24 07:44:35,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:44:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 449 transitions. [2024-10-24 07:44:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:44:35,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:35,255 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:35,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:44:35,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1787214108, now seen corresponding path program 1 times [2024-10-24 07:44:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:35,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114204960] [2024-10-24 07:44:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:40,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:40,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114204960] [2024-10-24 07:44:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114204960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:40,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:40,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:44:40,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427061557] [2024-10-24 07:44:40,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:40,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:44:40,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:40,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:44:40,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:44:40,375 INFO L87 Difference]: Start difference. First operand 290 states and 449 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:43,185 INFO L93 Difference]: Finished difference Result 378 states and 572 transitions. [2024-10-24 07:44:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 07:44:43,187 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:44:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:43,190 INFO L225 Difference]: With dead ends: 378 [2024-10-24 07:44:43,190 INFO L226 Difference]: Without dead ends: 376 [2024-10-24 07:44:43,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=283, Invalid=709, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:44:43,194 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 593 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:43,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 805 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 07:44:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-10-24 07:44:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 290. [2024-10-24 07:44:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 191 states have (on average 1.3769633507853403) internal successors, (263), 191 states have internal predecessors, (263), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:44:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 449 transitions. [2024-10-24 07:44:43,228 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 449 transitions. Word has length 193 [2024-10-24 07:44:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:43,228 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 449 transitions. [2024-10-24 07:44:43,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 449 transitions. [2024-10-24 07:44:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:44:43,230 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:43,231 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:43,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 07:44:43,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:43,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1545227446, now seen corresponding path program 1 times [2024-10-24 07:44:43,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:43,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269816529] [2024-10-24 07:44:43,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:48,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:48,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269816529] [2024-10-24 07:44:48,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269816529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:48,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:48,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:44:48,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889030134] [2024-10-24 07:44:48,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:48,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:44:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:48,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:44:48,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:44:48,589 INFO L87 Difference]: Start difference. First operand 290 states and 449 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:44:53,391 INFO L93 Difference]: Finished difference Result 402 states and 606 transitions. [2024-10-24 07:44:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 07:44:53,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:44:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:44:53,396 INFO L225 Difference]: With dead ends: 402 [2024-10-24 07:44:53,397 INFO L226 Difference]: Without dead ends: 400 [2024-10-24 07:44:53,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=290, Invalid=640, Unknown=0, NotChecked=0, Total=930 [2024-10-24 07:44:53,399 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 580 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:44:53,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 907 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 07:44:53,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-10-24 07:44:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 308. [2024-10-24 07:44:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 209 states have (on average 1.3923444976076556) internal successors, (291), 209 states have internal predecessors, (291), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:44:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 477 transitions. [2024-10-24 07:44:53,429 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 477 transitions. Word has length 193 [2024-10-24 07:44:53,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:44:53,430 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 477 transitions. [2024-10-24 07:44:53,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:44:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 477 transitions. [2024-10-24 07:44:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:44:53,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:44:53,432 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:44:53,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 07:44:53,433 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:44:53,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:44:53,433 INFO L85 PathProgramCache]: Analyzing trace with hash -844162868, now seen corresponding path program 1 times [2024-10-24 07:44:53,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:44:53,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421120494] [2024-10-24 07:44:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:44:53,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:44:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:44:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:44:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:44:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:44:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:44:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:44:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:44:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:44:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:44:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:44:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:44:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:44:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:44:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:44:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:44:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:44:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:44:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:44:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:44:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:44:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:44:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:44:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:44:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:44:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:44:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:44:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:44:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:44:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:44:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:44:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:44:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:44:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:44:59,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:44:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421120494] [2024-10-24 07:44:59,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421120494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:44:59,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:44:59,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:44:59,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952586201] [2024-10-24 07:44:59,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:44:59,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:44:59,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:44:59,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:44:59,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:44:59,853 INFO L87 Difference]: Start difference. First operand 308 states and 477 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:45:05,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:45:05,249 INFO L93 Difference]: Finished difference Result 396 states and 600 transitions. [2024-10-24 07:45:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 07:45:05,250 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:45:05,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:45:05,252 INFO L225 Difference]: With dead ends: 396 [2024-10-24 07:45:05,253 INFO L226 Difference]: Without dead ends: 394 [2024-10-24 07:45:05,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:45:05,254 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 531 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 07:45:05,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 940 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 07:45:05,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-24 07:45:05,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 308. [2024-10-24 07:45:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 209 states have (on average 1.3923444976076556) internal successors, (291), 209 states have internal predecessors, (291), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:45:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 477 transitions. [2024-10-24 07:45:05,280 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 477 transitions. Word has length 193 [2024-10-24 07:45:05,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:45:05,280 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 477 transitions. [2024-10-24 07:45:05,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:45:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 477 transitions. [2024-10-24 07:45:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-24 07:45:05,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:45:05,283 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:45:05,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 07:45:05,283 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:45:05,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:45:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash 953329727, now seen corresponding path program 1 times [2024-10-24 07:45:05,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:45:05,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598696011] [2024-10-24 07:45:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:45:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:45:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:45:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:45:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:45:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:45:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:45:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:45:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:45:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:45:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:45:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:45:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:45:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:45:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:45:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:45:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:45:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:45:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:45:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:45:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:45:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:45:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:45:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:45:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:45:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:45:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:45:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:45:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:45:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:45:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:45:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:45:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:45:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:45:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:45:16,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:45:16,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598696011] [2024-10-24 07:45:16,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598696011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:45:16,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:45:16,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-24 07:45:16,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903809560] [2024-10-24 07:45:16,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:45:16,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 07:45:16,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:45:16,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 07:45:16,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2024-10-24 07:45:16,242 INFO L87 Difference]: Start difference. First operand 308 states and 477 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)