./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.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 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:23:58,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:23:58,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:23:59,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:23:59,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:23:59,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:23:59,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:23:59,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:23:59,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:23:59,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:23:59,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:23:59,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:23:59,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:23:59,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:23:59,032 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:23:59,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:23:59,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:23:59,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:23:59,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:23:59,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:23:59,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:23:59,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:23:59,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:23:59,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:23:59,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:23:59,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:23:59,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:23:59,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:23:59,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:23:59,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:23:59,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:23:59,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:23:59,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:23:59,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:23:59,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:23:59,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:23:59,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:23:59,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:23:59,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:23:59,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:23:59,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:23:59,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:23:59,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 [2024-11-08 20:23:59,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:23:59,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:23:59,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:23:59,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:23:59,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:23:59,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-08 20:24:00,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:24:00,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:24:00,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-08 20:24:00,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e91ad823/1b39bf84a3b946c29f7b78fc7eb0f0a0/FLAG3f1a940f2 [2024-11-08 20:24:01,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e91ad823/1b39bf84a3b946c29f7b78fc7eb0f0a0 [2024-11-08 20:24:01,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:24:01,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:24:01,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:24:01,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:24:01,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:24:01,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1570f7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01, skipping insertion in model container [2024-11-08 20:24:01,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:24:01,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-11-08 20:24:01,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:24:01,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:24:01,558 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-11-08 20:24:01,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:24:01,603 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:24:01,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01 WrapperNode [2024-11-08 20:24:01,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:24:01,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:24:01,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:24:01,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:24:01,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,673 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2024-11-08 20:24:01,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:24:01,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:24:01,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:24:01,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:24:01,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,721 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 20:24:01,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:24:01,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:24:01,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:24:01,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:24:01,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (1/1) ... [2024-11-08 20:24:01,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:24:01,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:24:01,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 20:24:01,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 20:24:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:24:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:24:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:24:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:24:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:24:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:24:01,933 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:24:01,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:24:02,341 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 20:24:02,341 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:24:02,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:24:02,355 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:24:02,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:24:02 BoogieIcfgContainer [2024-11-08 20:24:02,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:24:02,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:24:02,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:24:02,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:24:02,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:24:01" (1/3) ... [2024-11-08 20:24:02,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360293e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:24:02, skipping insertion in model container [2024-11-08 20:24:02,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:24:01" (2/3) ... [2024-11-08 20:24:02,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360293e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:24:02, skipping insertion in model container [2024-11-08 20:24:02,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:24:02" (3/3) ... [2024-11-08 20:24:02,365 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-11-08 20:24:02,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:24:02,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:24:02,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:24:02,441 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;@10d124f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:24:02,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:24:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 55 states have internal predecessors, (73), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 20:24:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:02,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:02,460 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:02,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:02,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:02,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1145210603, now seen corresponding path program 1 times [2024-11-08 20:24:02,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:02,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238512100] [2024-11-08 20:24:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:02,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:02,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238512100] [2024-11-08 20:24:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238512100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:24:02,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840578550] [2024-11-08 20:24:02,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:02,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:24:02,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:03,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:24:03,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:24:03,020 INFO L87 Difference]: Start difference. First operand has 90 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 55 states have internal predecessors, (73), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:24:03,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:03,070 INFO L93 Difference]: Finished difference Result 173 states and 305 transitions. [2024-11-08 20:24:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:24:03,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-11-08 20:24:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:03,084 INFO L225 Difference]: With dead ends: 173 [2024-11-08 20:24:03,084 INFO L226 Difference]: Without dead ends: 86 [2024-11-08 20:24:03,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:24:03,111 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:03,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:24:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-08 20:24:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-08 20:24:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-08 20:24:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 132 transitions. [2024-11-08 20:24:03,167 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 132 transitions. Word has length 204 [2024-11-08 20:24:03,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:03,167 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 132 transitions. [2024-11-08 20:24:03,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:24:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2024-11-08 20:24:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:03,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:03,171 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:03,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:24:03,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:03,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1536351209, now seen corresponding path program 1 times [2024-11-08 20:24:03,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:03,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488980041] [2024-11-08 20:24:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:05,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488980041] [2024-11-08 20:24:05,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488980041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:05,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:05,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:24:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029850804] [2024-11-08 20:24:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:05,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:24:05,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:05,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:24:05,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:24:05,893 INFO L87 Difference]: Start difference. First operand 86 states and 132 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:24:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:07,198 INFO L93 Difference]: Finished difference Result 300 states and 459 transitions. [2024-11-08 20:24:07,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 20:24:07,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-11-08 20:24:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:07,205 INFO L225 Difference]: With dead ends: 300 [2024-11-08 20:24:07,205 INFO L226 Difference]: Without dead ends: 217 [2024-11-08 20:24:07,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:24:07,208 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 353 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:07,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 624 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 20:24:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-08 20:24:07,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 149. [2024-11-08 20:24:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 80 states have (on average 1.2375) internal successors, (99), 80 states have internal predecessors, (99), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 20:24:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 231 transitions. [2024-11-08 20:24:07,273 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 231 transitions. Word has length 204 [2024-11-08 20:24:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:07,274 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 231 transitions. [2024-11-08 20:24:07,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:24:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions. [2024-11-08 20:24:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:07,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:07,277 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:07,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:24:07,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:07,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1794516647, now seen corresponding path program 1 times [2024-11-08 20:24:07,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:07,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478480402] [2024-11-08 20:24:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:07,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:16,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:16,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478480402] [2024-11-08 20:24:16,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478480402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:16,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:16,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 20:24:16,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757309748] [2024-11-08 20:24:16,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:16,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 20:24:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:16,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 20:24:16,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 20:24:16,069 INFO L87 Difference]: Start difference. First operand 149 states and 231 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:19,267 INFO L93 Difference]: Finished difference Result 342 states and 516 transitions. [2024-11-08 20:24:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 20:24:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-08 20:24:19,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:19,270 INFO L225 Difference]: With dead ends: 342 [2024-11-08 20:24:19,270 INFO L226 Difference]: Without dead ends: 259 [2024-11-08 20:24:19,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 20:24:19,272 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 539 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:19,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 677 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 20:24:19,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-08 20:24:19,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 162. [2024-11-08 20:24:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 93 states have internal predecessors, (118), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 20:24:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 250 transitions. [2024-11-08 20:24:19,315 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 250 transitions. Word has length 204 [2024-11-08 20:24:19,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:19,316 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 250 transitions. [2024-11-08 20:24:19,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2024-11-08 20:24:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:19,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:19,320 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:19,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:24:19,321 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:19,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:19,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2107423639, now seen corresponding path program 1 times [2024-11-08 20:24:19,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:19,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898377727] [2024-11-08 20:24:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:19,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:19,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:19,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898377727] [2024-11-08 20:24:19,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898377727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:19,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:19,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:24:19,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392995852] [2024-11-08 20:24:19,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:19,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:24:19,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:19,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:24:19,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:24:19,558 INFO L87 Difference]: Start difference. First operand 162 states and 250 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:19,615 INFO L93 Difference]: Finished difference Result 280 states and 428 transitions. [2024-11-08 20:24:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 20:24:19,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-08 20:24:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:19,619 INFO L225 Difference]: With dead ends: 280 [2024-11-08 20:24:19,619 INFO L226 Difference]: Without dead ends: 197 [2024-11-08 20:24:19,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:24:19,623 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 42 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:19,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:24:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-08 20:24:19,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2024-11-08 20:24:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.2833333333333334) internal successors, (154), 121 states have internal predecessors, (154), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2024-11-08 20:24:19,653 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 204 [2024-11-08 20:24:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:19,654 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2024-11-08 20:24:19,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2024-11-08 20:24:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:19,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:19,656 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:19,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:24:19,656 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:19,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1093452069, now seen corresponding path program 1 times [2024-11-08 20:24:19,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:19,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659102166] [2024-11-08 20:24:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:26,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:26,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659102166] [2024-11-08 20:24:26,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659102166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:26,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:26,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 20:24:26,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507024770] [2024-11-08 20:24:26,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:26,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 20:24:26,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:26,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 20:24:26,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:24:26,221 INFO L87 Difference]: Start difference. First operand 194 states and 294 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:27,807 INFO L93 Difference]: Finished difference Result 349 states and 521 transitions. [2024-11-08 20:24:27,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 20:24:27,811 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-08 20:24:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:27,814 INFO L225 Difference]: With dead ends: 349 [2024-11-08 20:24:27,814 INFO L226 Difference]: Without dead ends: 234 [2024-11-08 20:24:27,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:24:27,815 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 170 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:27,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 502 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:24:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-08 20:24:27,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 194. [2024-11-08 20:24:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.2833333333333334) internal successors, (154), 121 states have internal predecessors, (154), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2024-11-08 20:24:27,845 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 204 [2024-11-08 20:24:27,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:27,847 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2024-11-08 20:24:27,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2024-11-08 20:24:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:24:27,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:27,849 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:27,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:24:27,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:27,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:27,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1747498837, now seen corresponding path program 1 times [2024-11-08 20:24:27,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:27,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239420467] [2024-11-08 20:24:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:27,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:28,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239420467] [2024-11-08 20:24:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239420467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:28,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:28,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 20:24:28,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591501705] [2024-11-08 20:24:28,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:28,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 20:24:28,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 20:24:28,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:24:28,419 INFO L87 Difference]: Start difference. First operand 194 states and 294 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:28,791 INFO L93 Difference]: Finished difference Result 372 states and 558 transitions. [2024-11-08 20:24:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 20:24:28,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2024-11-08 20:24:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:28,793 INFO L225 Difference]: With dead ends: 372 [2024-11-08 20:24:28,793 INFO L226 Difference]: Without dead ends: 247 [2024-11-08 20:24:28,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:24:28,795 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 109 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:28,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 522 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:24:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-08 20:24:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 194. [2024-11-08 20:24:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.2833333333333334) internal successors, (154), 121 states have internal predecessors, (154), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 294 transitions. [2024-11-08 20:24:28,822 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 294 transitions. Word has length 204 [2024-11-08 20:24:28,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:28,823 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 294 transitions. [2024-11-08 20:24:28,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2024-11-08 20:24:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:28,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:28,825 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:28,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 20:24:28,825 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:28,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1312597558, now seen corresponding path program 1 times [2024-11-08 20:24:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:28,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845863931] [2024-11-08 20:24:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:35,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:35,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845863931] [2024-11-08 20:24:35,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845863931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:35,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:35,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 20:24:35,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441971476] [2024-11-08 20:24:35,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:35,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 20:24:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:35,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 20:24:35,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 20:24:35,243 INFO L87 Difference]: Start difference. First operand 194 states and 294 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:36,825 INFO L93 Difference]: Finished difference Result 519 states and 760 transitions. [2024-11-08 20:24:36,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 20:24:36,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:36,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:36,828 INFO L225 Difference]: With dead ends: 519 [2024-11-08 20:24:36,828 INFO L226 Difference]: Without dead ends: 394 [2024-11-08 20:24:36,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2024-11-08 20:24:36,829 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 466 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:36,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 663 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 20:24:36,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-08 20:24:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 199. [2024-11-08 20:24:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 125 states have (on average 1.296) internal successors, (162), 126 states have internal predecessors, (162), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 302 transitions. [2024-11-08 20:24:36,851 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 302 transitions. Word has length 205 [2024-11-08 20:24:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:36,852 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 302 transitions. [2024-11-08 20:24:36,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 302 transitions. [2024-11-08 20:24:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:36,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:36,854 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:36,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 20:24:36,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:36,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash 919570548, now seen corresponding path program 1 times [2024-11-08 20:24:36,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:36,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870606716] [2024-11-08 20:24:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:41,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:41,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870606716] [2024-11-08 20:24:41,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870606716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:41,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 20:24:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123909497] [2024-11-08 20:24:41,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:41,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 20:24:41,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:41,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 20:24:41,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:24:41,676 INFO L87 Difference]: Start difference. First operand 199 states and 302 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:42,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:42,246 INFO L93 Difference]: Finished difference Result 459 states and 679 transitions. [2024-11-08 20:24:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 20:24:42,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:42,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:42,249 INFO L225 Difference]: With dead ends: 459 [2024-11-08 20:24:42,249 INFO L226 Difference]: Without dead ends: 334 [2024-11-08 20:24:42,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:24:42,250 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 245 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:42,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 550 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:24:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-08 20:24:42,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 214. [2024-11-08 20:24:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 140 states have (on average 1.3142857142857143) internal successors, (184), 141 states have internal predecessors, (184), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 324 transitions. [2024-11-08 20:24:42,271 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 324 transitions. Word has length 205 [2024-11-08 20:24:42,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:42,271 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 324 transitions. [2024-11-08 20:24:42,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 324 transitions. [2024-11-08 20:24:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:42,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:42,277 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:42,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 20:24:42,277 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:42,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2013662136, now seen corresponding path program 1 times [2024-11-08 20:24:42,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:42,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896572543] [2024-11-08 20:24:42,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:47,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:47,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896572543] [2024-11-08 20:24:47,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896572543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:47,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:47,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:24:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963736650] [2024-11-08 20:24:47,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:47,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:24:47,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:47,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:24:47,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:24:47,818 INFO L87 Difference]: Start difference. First operand 214 states and 324 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:48,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:48,308 INFO L93 Difference]: Finished difference Result 440 states and 654 transitions. [2024-11-08 20:24:48,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:24:48,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:48,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:48,311 INFO L225 Difference]: With dead ends: 440 [2024-11-08 20:24:48,311 INFO L226 Difference]: Without dead ends: 302 [2024-11-08 20:24:48,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:24:48,312 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 194 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:48,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 422 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:24:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-08 20:24:48,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 211. [2024-11-08 20:24:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 137 states have (on average 1.313868613138686) internal successors, (180), 138 states have internal predecessors, (180), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 320 transitions. [2024-11-08 20:24:48,337 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 320 transitions. Word has length 205 [2024-11-08 20:24:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:48,337 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 320 transitions. [2024-11-08 20:24:48,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 320 transitions. [2024-11-08 20:24:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:48,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:48,342 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:48,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 20:24:48,342 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:48,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:48,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1620635126, now seen corresponding path program 1 times [2024-11-08 20:24:48,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:48,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046805394] [2024-11-08 20:24:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:48,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:53,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:53,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046805394] [2024-11-08 20:24:53,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046805394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:53,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:53,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 20:24:53,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217602196] [2024-11-08 20:24:53,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:53,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 20:24:53,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 20:24:53,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:24:53,222 INFO L87 Difference]: Start difference. First operand 211 states and 320 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:53,892 INFO L93 Difference]: Finished difference Result 433 states and 644 transitions. [2024-11-08 20:24:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 20:24:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:53,895 INFO L225 Difference]: With dead ends: 433 [2024-11-08 20:24:53,895 INFO L226 Difference]: Without dead ends: 294 [2024-11-08 20:24:53,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:24:53,896 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 119 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:53,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 690 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 20:24:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-08 20:24:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 210. [2024-11-08 20:24:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 137 states have internal predecessors, (178), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-08 20:24:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 318 transitions. [2024-11-08 20:24:53,914 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 318 transitions. Word has length 205 [2024-11-08 20:24:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:53,915 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 318 transitions. [2024-11-08 20:24:53,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 318 transitions. [2024-11-08 20:24:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:53,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:53,916 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:53,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 20:24:53,916 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:53,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:53,917 INFO L85 PathProgramCache]: Analyzing trace with hash 32733880, now seen corresponding path program 1 times [2024-11-08 20:24:53,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:53,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457442639] [2024-11-08 20:24:53,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:54,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457442639] [2024-11-08 20:24:54,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457442639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:54,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:54,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:24:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828834575] [2024-11-08 20:24:54,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:54,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:24:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:54,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:24:54,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:24:54,111 INFO L87 Difference]: Start difference. First operand 210 states and 318 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:54,182 INFO L93 Difference]: Finished difference Result 375 states and 558 transitions. [2024-11-08 20:24:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 20:24:54,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:54,185 INFO L225 Difference]: With dead ends: 375 [2024-11-08 20:24:54,185 INFO L226 Difference]: Without dead ends: 237 [2024-11-08 20:24:54,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:24:54,186 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 61 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:54,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 395 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 20:24:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-08 20:24:54,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 197. [2024-11-08 20:24:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 126 states have internal predecessors, (164), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 20:24:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 296 transitions. [2024-11-08 20:24:54,204 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 296 transitions. Word has length 205 [2024-11-08 20:24:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:54,205 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 296 transitions. [2024-11-08 20:24:54,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2024-11-08 20:24:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:54,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:54,207 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:54,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 20:24:54,207 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:54,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -360293130, now seen corresponding path program 1 times [2024-11-08 20:24:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044848933] [2024-11-08 20:24:54,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:24:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:24:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:24:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:24:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:24:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:24:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:24:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:24:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:24:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:24:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:24:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:24:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:24:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:24:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:24:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:24:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:24:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:24:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:24:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:24:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:24:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:24:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:24:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:24:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:24:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:24:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:24:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:24:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:24:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:24:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:24:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:24:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:24:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:24:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:24:58,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:24:58,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044848933] [2024-11-08 20:24:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044848933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:24:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:24:58,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:24:58,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003873271] [2024-11-08 20:24:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:24:58,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:24:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:24:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:24:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:24:58,598 INFO L87 Difference]: Start difference. First operand 197 states and 296 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:24:59,391 INFO L93 Difference]: Finished difference Result 378 states and 558 transitions. [2024-11-08 20:24:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:24:59,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-11-08 20:24:59,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:24:59,397 INFO L225 Difference]: With dead ends: 378 [2024-11-08 20:24:59,397 INFO L226 Difference]: Without dead ends: 257 [2024-11-08 20:24:59,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:24:59,398 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 144 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 20:24:59,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 640 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 20:24:59,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-08 20:24:59,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 199. [2024-11-08 20:24:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 128 states have (on average 1.3046875) internal successors, (167), 128 states have internal predecessors, (167), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 20:24:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 299 transitions. [2024-11-08 20:24:59,416 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 299 transitions. Word has length 205 [2024-11-08 20:24:59,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:24:59,416 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 299 transitions. [2024-11-08 20:24:59,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-08 20:24:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 299 transitions. [2024-11-08 20:24:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-08 20:24:59,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:24:59,418 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:24:59,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 20:24:59,418 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:24:59,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:24:59,418 INFO L85 PathProgramCache]: Analyzing trace with hash 340771448, now seen corresponding path program 1 times [2024-11-08 20:24:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:24:59,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57010423] [2024-11-08 20:24:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:24:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:24:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:25:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:25:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:25:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:25:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:25:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:25:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:25:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:25:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:25:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:25:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:25:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:25:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:25:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:25:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:25:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:25:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:25:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:25:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:25:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:25:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:25:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:25:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:25:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:25:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:25:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:25:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:25:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:25:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:25:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:25:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:25:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:25:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 20:25:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:25:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-08 20:25:05,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:25:05,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57010423] [2024-11-08 20:25:05,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57010423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:25:05,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:25:05,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 20:25:05,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386972680] [2024-11-08 20:25:05,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:25:05,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 20:25:05,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:25:05,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 20:25:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-08 20:25:05,604 INFO L87 Difference]: Start difference. First operand 199 states and 299 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:25:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:25:07,533 INFO L93 Difference]: Finished difference Result 381 states and 565 transitions. [2024-11-08 20:25:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:25:07,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2024-11-08 20:25:07,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:25:07,535 INFO L225 Difference]: With dead ends: 381 [2024-11-08 20:25:07,535 INFO L226 Difference]: Without dead ends: 258 [2024-11-08 20:25:07,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-11-08 20:25:07,536 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 204 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:25:07,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 620 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 20:25:07,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-08 20:25:07,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 200. [2024-11-08 20:25:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-08 20:25:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 301 transitions. [2024-11-08 20:25:07,554 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 301 transitions. Word has length 205 [2024-11-08 20:25:07,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:25:07,555 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 301 transitions. [2024-11-08 20:25:07,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-08 20:25:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2024-11-08 20:25:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-08 20:25:07,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:25:07,556 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:25:07,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 20:25:07,556 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:25:07,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:25:07,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1212203988, now seen corresponding path program 1 times [2024-11-08 20:25:07,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:25:07,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334301152] [2024-11-08 20:25:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:25:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:25:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat