./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_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 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:59:39,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:59:39,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:59:39,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:59:39,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:59:39,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:59:39,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:59:39,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:59:39,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:59:39,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:59:39,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:59:39,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:59:39,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:59:39,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:59:39,138 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:59:39,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:59:39,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:59:39,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:59:39,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:59:39,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:59:39,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:59:39,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:59:39,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:59:39,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:59:39,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:59:39,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:59:39,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:59:39,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:59:39,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:59:39,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:59:39,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:59:39,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:59:39,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:59:39,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:59:39,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:59:39,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:59:39,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:59:39,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:59:39,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:59:39,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:59:39,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:59:39,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:59:39,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b77a3b8187af54765a505f7649175cf18add0380d30145d0f26a5ac8cc02bbd [2024-10-24 06:59:39,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:59:39,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:59:39,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:59:39,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:59:39,472 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:59:39,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-24 06:59:40,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:59:41,156 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:59:41,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-24 06:59:41,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c754d10/767a2348551441df846c026a00157e23/FLAG296bef8f4 [2024-10-24 06:59:41,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c754d10/767a2348551441df846c026a00157e23 [2024-10-24 06:59:41,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:59:41,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:59:41,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:59:41,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:59:41,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:59:41,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5948a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41, skipping insertion in model container [2024-10-24 06:59:41,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:59:41,427 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-10-24 06:59:41,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:59:41,548 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:59:41,561 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i[919,932] [2024-10-24 06:59:41,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:59:41,639 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:59:41,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41 WrapperNode [2024-10-24 06:59:41,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:59:41,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:59:41,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:59:41,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:59:41,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,712 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-24 06:59:41,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:59:41,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:59:41,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:59:41,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:59:41,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,761 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:59:41,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:59:41,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:59:41,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:59:41,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:59:41,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (1/1) ... [2024-10-24 06:59:41,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:59:41,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:59:41,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:59:41,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:59:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:59:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:59:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:59:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:59:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:59:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:59:42,034 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:59:42,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:59:42,532 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 06:59:42,533 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:59:42,567 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:59:42,567 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:59:42,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:59:42 BoogieIcfgContainer [2024-10-24 06:59:42,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:59:42,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:59:42,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:59:42,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:59:42,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:59:41" (1/3) ... [2024-10-24 06:59:42,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abf5fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:59:42, skipping insertion in model container [2024-10-24 06:59:42,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:59:41" (2/3) ... [2024-10-24 06:59:42,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abf5fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:59:42, skipping insertion in model container [2024-10-24 06:59:42,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:59:42" (3/3) ... [2024-10-24 06:59:42,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-81.i [2024-10-24 06:59:42,590 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:59:42,591 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:59:42,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:59:42,653 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;@3ccacb52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:59:42,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:59:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 06:59:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 06:59:42,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:59:42,677 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:59:42,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:59:42,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:59:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1253737734, now seen corresponding path program 1 times [2024-10-24 06:59:42,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:59:42,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354958679] [2024-10-24 06:59:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:59:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:59:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:59:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:59:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:59:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:59:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:59:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:59:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:59:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:59:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:59:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:59:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:59:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:59:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:59:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:59:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:59:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:59:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:59:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:59:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:59:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:59:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:59:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:59:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:59:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:59:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:59:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:59:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:59:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:59:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:59:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 06:59:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 06:59:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:59:43,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:59:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354958679] [2024-10-24 06:59:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354958679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:59:43,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:59:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:59:43,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011657353] [2024-10-24 06:59:43,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:59:43,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:59:43,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:59:43,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:59:43,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:59:43,343 INFO L87 Difference]: Start difference. First operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 06:59:43,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:59:43,426 INFO L93 Difference]: Finished difference Result 197 states and 353 transitions. [2024-10-24 06:59:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:59:43,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-10-24 06:59:43,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:59:43,438 INFO L225 Difference]: With dead ends: 197 [2024-10-24 06:59:43,438 INFO L226 Difference]: Without dead ends: 98 [2024-10-24 06:59:43,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:59:43,448 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:59:43,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:59:43,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-24 06:59:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-10-24 06:59:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 65 states have internal predecessors, (95), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 06:59:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 157 transitions. [2024-10-24 06:59:43,507 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 157 transitions. Word has length 198 [2024-10-24 06:59:43,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:59:43,508 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 157 transitions. [2024-10-24 06:59:43,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 06:59:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2024-10-24 06:59:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 06:59:43,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:59:43,516 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:59:43,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:59:43,517 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:59:43,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:59:43,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2001378108, now seen corresponding path program 1 times [2024-10-24 06:59:43,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:59:43,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225034219] [2024-10-24 06:59:43,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:59:43,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:59:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:59:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:59:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:59:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:59:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:59:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:59:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:59:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:59:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:59:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:59:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:59:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:59:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:59:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:59:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:59:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:59:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:59:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:59:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:59:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:59:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:59:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:59:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:59:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:59:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:59:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:59:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:59:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:59:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:59:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 06:59:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 06:59:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:59:44,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:59:44,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225034219] [2024-10-24 06:59:44,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225034219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:59:44,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:59:44,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:59:44,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528390559] [2024-10-24 06:59:44,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:59:44,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:59:44,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:59:44,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:59:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:59:44,101 INFO L87 Difference]: Start difference. First operand 98 states and 157 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:59:44,280 INFO L93 Difference]: Finished difference Result 290 states and 460 transitions. [2024-10-24 06:59:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:59:44,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 06:59:44,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:59:44,284 INFO L225 Difference]: With dead ends: 290 [2024-10-24 06:59:44,284 INFO L226 Difference]: Without dead ends: 193 [2024-10-24 06:59:44,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:59:44,286 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 144 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:59:44,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 404 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:59:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-24 06:59:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2024-10-24 06:59:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 142 states have (on average 1.4929577464788732) internal successors, (212), 144 states have internal predecessors, (212), 41 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-24 06:59:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 294 transitions. [2024-10-24 06:59:44,323 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 294 transitions. Word has length 198 [2024-10-24 06:59:44,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:59:44,324 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 294 transitions. [2024-10-24 06:59:44,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 294 transitions. [2024-10-24 06:59:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 06:59:44,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:59:44,328 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:59:44,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:59:44,328 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:59:44,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:59:44,329 INFO L85 PathProgramCache]: Analyzing trace with hash 299444482, now seen corresponding path program 1 times [2024-10-24 06:59:44,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:59:44,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86520176] [2024-10-24 06:59:44,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:59:44,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:59:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:59:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:59:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:59:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:59:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:59:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:59:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:59:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:59:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:59:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:59:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:59:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:59:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:59:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:59:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:59:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:59:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:59:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:59:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:59:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:59:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:59:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:59:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:59:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:59:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:59:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:59:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:59:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:59:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:59:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 06:59:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 06:59:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:59:45,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:59:45,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86520176] [2024-10-24 06:59:45,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86520176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:59:45,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:59:45,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:59:45,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267278728] [2024-10-24 06:59:45,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:59:45,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:59:45,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:59:45,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:59:45,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:59:45,043 INFO L87 Difference]: Start difference. First operand 187 states and 294 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:59:45,184 INFO L93 Difference]: Finished difference Result 444 states and 694 transitions. [2024-10-24 06:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:59:45,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 06:59:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:59:45,193 INFO L225 Difference]: With dead ends: 444 [2024-10-24 06:59:45,195 INFO L226 Difference]: Without dead ends: 258 [2024-10-24 06:59:45,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:59:45,200 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 72 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:59:45,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 427 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:59:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-24 06:59:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 235. [2024-10-24 06:59:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 185 states have (on average 1.4972972972972973) internal successors, (277), 188 states have internal predecessors, (277), 45 states have call successors, (45), 4 states have call predecessors, (45), 4 states have return successors, (45), 42 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-24 06:59:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 367 transitions. [2024-10-24 06:59:45,222 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 367 transitions. Word has length 198 [2024-10-24 06:59:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:59:45,223 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 367 transitions. [2024-10-24 06:59:45,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2024-10-24 06:59:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 06:59:45,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:59:45,229 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:59:45,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:59:45,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:59:45,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:59:45,230 INFO L85 PathProgramCache]: Analyzing trace with hash 604645446, now seen corresponding path program 1 times [2024-10-24 06:59:45,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:59:45,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253819652] [2024-10-24 06:59:45,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:59:45,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:59:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:59:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:59:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:59:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:59:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:59:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:59:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:59:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:59:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:59:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:59:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:59:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:59:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:59:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:59:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:59:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:59:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:59:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:59:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:59:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:59:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:59:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:59:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:59:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:59:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:59:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:59:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:59:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:59:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:59:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 06:59:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 06:59:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:59:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 06:59:47,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:59:47,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253819652] [2024-10-24 06:59:47,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253819652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:59:47,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:59:47,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 06:59:47,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972530122] [2024-10-24 06:59:47,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:59:47,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 06:59:47,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:59:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 06:59:47,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-24 06:59:47,241 INFO L87 Difference]: Start difference. First operand 235 states and 367 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:59:47,962 INFO L93 Difference]: Finished difference Result 936 states and 1482 transitions. [2024-10-24 06:59:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 06:59:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 06:59:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:59:47,969 INFO L225 Difference]: With dead ends: 936 [2024-10-24 06:59:47,969 INFO L226 Difference]: Without dead ends: 702 [2024-10-24 06:59:47,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-24 06:59:47,971 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 532 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 06:59:47,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 790 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 06:59:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-24 06:59:48,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 371. [2024-10-24 06:59:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 289 states have (on average 1.4844290657439447) internal successors, (429), 292 states have internal predecessors, (429), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-24 06:59:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 581 transitions. [2024-10-24 06:59:48,030 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 581 transitions. Word has length 198 [2024-10-24 06:59:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:59:48,031 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 581 transitions. [2024-10-24 06:59:48,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 06:59:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 581 transitions. [2024-10-24 06:59:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 06:59:48,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:59:48,035 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:59:48,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:59:48,035 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:59:48,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:59:48,036 INFO L85 PathProgramCache]: Analyzing trace with hash 385790728, now seen corresponding path program 1 times [2024-10-24 06:59:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:59:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748431061] [2024-10-24 06:59:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:59:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:59:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:01,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:01,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748431061] [2024-10-24 07:00:01,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748431061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:01,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:01,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 07:00:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181073023] [2024-10-24 07:00:01,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:01,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 07:00:01,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 07:00:01,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-24 07:00:01,350 INFO L87 Difference]: Start difference. First operand 371 states and 581 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:05,773 INFO L93 Difference]: Finished difference Result 1288 states and 2004 transitions. [2024-10-24 07:00:05,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 07:00:05,774 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 07:00:05,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:05,780 INFO L225 Difference]: With dead ends: 1288 [2024-10-24 07:00:05,780 INFO L226 Difference]: Without dead ends: 1054 [2024-10-24 07:00:05,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:00:05,782 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 1124 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:05,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 928 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 07:00:05,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-24 07:00:05,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 455. [2024-10-24 07:00:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 373 states have (on average 1.5120643431635388) internal successors, (564), 376 states have internal predecessors, (564), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-24 07:00:05,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 716 transitions. [2024-10-24 07:00:05,823 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 716 transitions. Word has length 198 [2024-10-24 07:00:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:05,826 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 716 transitions. [2024-10-24 07:00:05,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 716 transitions. [2024-10-24 07:00:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 07:00:05,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:05,829 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:00:05,830 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:05,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:05,830 INFO L85 PathProgramCache]: Analyzing trace with hash -431857722, now seen corresponding path program 1 times [2024-10-24 07:00:05,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:05,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150326998] [2024-10-24 07:00:05,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:06,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:07,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:07,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150326998] [2024-10-24 07:00:07,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150326998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:07,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:07,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 07:00:07,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517271848] [2024-10-24 07:00:07,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:07,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 07:00:07,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:07,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 07:00:07,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 07:00:07,116 INFO L87 Difference]: Start difference. First operand 455 states and 716 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:08,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:08,048 INFO L93 Difference]: Finished difference Result 1230 states and 1943 transitions. [2024-10-24 07:00:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 07:00:08,048 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 07:00:08,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:08,053 INFO L225 Difference]: With dead ends: 1230 [2024-10-24 07:00:08,053 INFO L226 Difference]: Without dead ends: 919 [2024-10-24 07:00:08,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:00:08,055 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 386 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:08,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 862 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 07:00:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2024-10-24 07:00:08,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 582. [2024-10-24 07:00:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 500 states have (on average 1.544) internal successors, (772), 503 states have internal predecessors, (772), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-24 07:00:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 924 transitions. [2024-10-24 07:00:08,100 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 924 transitions. Word has length 198 [2024-10-24 07:00:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:08,101 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 924 transitions. [2024-10-24 07:00:08,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 924 transitions. [2024-10-24 07:00:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:08,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:08,105 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:08,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:00:08,106 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:08,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash 983635406, now seen corresponding path program 1 times [2024-10-24 07:00:08,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:08,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10546572] [2024-10-24 07:00:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:08,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:08,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10546572] [2024-10-24 07:00:08,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10546572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:08,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:08,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:00:08,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293178810] [2024-10-24 07:00:08,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:00:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:08,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:00:08,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:00:08,353 INFO L87 Difference]: Start difference. First operand 582 states and 924 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:08,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:08,581 INFO L93 Difference]: Finished difference Result 1251 states and 1961 transitions. [2024-10-24 07:00:08,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:00:08,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 07:00:08,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:08,590 INFO L225 Difference]: With dead ends: 1251 [2024-10-24 07:00:08,590 INFO L226 Difference]: Without dead ends: 940 [2024-10-24 07:00:08,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:00:08,597 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 154 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:08,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 448 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:00:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-24 07:00:08,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 760. [2024-10-24 07:00:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 650 states have (on average 1.5415384615384615) internal successors, (1002), 657 states have internal predecessors, (1002), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1202 transitions. [2024-10-24 07:00:08,663 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1202 transitions. Word has length 199 [2024-10-24 07:00:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:08,664 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1202 transitions. [2024-10-24 07:00:08,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1202 transitions. [2024-10-24 07:00:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:08,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:08,668 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:08,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:00:08,668 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:08,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:08,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1682010500, now seen corresponding path program 1 times [2024-10-24 07:00:08,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:08,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042495436] [2024-10-24 07:00:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:08,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:08,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042495436] [2024-10-24 07:00:08,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042495436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:08,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:08,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:00:08,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270296457] [2024-10-24 07:00:08,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:08,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:00:08,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:08,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:00:08,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:00:08,852 INFO L87 Difference]: Start difference. First operand 760 states and 1202 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:09,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:09,034 INFO L93 Difference]: Finished difference Result 1615 states and 2539 transitions. [2024-10-24 07:00:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:00:09,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 07:00:09,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:09,040 INFO L225 Difference]: With dead ends: 1615 [2024-10-24 07:00:09,042 INFO L226 Difference]: Without dead ends: 1132 [2024-10-24 07:00:09,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:00:09,045 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 200 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:09,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 379 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:00:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-10-24 07:00:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 846. [2024-10-24 07:00:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 736 states have (on average 1.5190217391304348) internal successors, (1118), 743 states have internal predecessors, (1118), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1318 transitions. [2024-10-24 07:00:09,108 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1318 transitions. Word has length 199 [2024-10-24 07:00:09,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:09,108 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1318 transitions. [2024-10-24 07:00:09,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1318 transitions. [2024-10-24 07:00:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:09,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:09,113 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:09,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 07:00:09,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1235348793, now seen corresponding path program 1 times [2024-10-24 07:00:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006996135] [2024-10-24 07:00:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:11,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:11,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006996135] [2024-10-24 07:00:11,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006996135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:11,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:11,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 07:00:11,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458586850] [2024-10-24 07:00:11,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:11,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 07:00:11,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 07:00:11,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 07:00:11,550 INFO L87 Difference]: Start difference. First operand 846 states and 1318 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:00:13,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:13,418 INFO L93 Difference]: Finished difference Result 2225 states and 3465 transitions. [2024-10-24 07:00:13,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 07:00:13,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-10-24 07:00:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:13,426 INFO L225 Difference]: With dead ends: 2225 [2024-10-24 07:00:13,427 INFO L226 Difference]: Without dead ends: 1745 [2024-10-24 07:00:13,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-10-24 07:00:13,429 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 651 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:13,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 945 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 07:00:13,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2024-10-24 07:00:13,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 845. [2024-10-24 07:00:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 735 states have (on average 1.5197278911564627) internal successors, (1117), 742 states have internal predecessors, (1117), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1317 transitions. [2024-10-24 07:00:13,489 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1317 transitions. Word has length 199 [2024-10-24 07:00:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:13,489 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1317 transitions. [2024-10-24 07:00:13,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:00:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1317 transitions. [2024-10-24 07:00:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:13,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:13,492 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:13,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 07:00:13,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:13,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:13,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1287313151, now seen corresponding path program 1 times [2024-10-24 07:00:13,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:13,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190525206] [2024-10-24 07:00:13,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:22,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:22,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190525206] [2024-10-24 07:00:22,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190525206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:22,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:22,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:00:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303210850] [2024-10-24 07:00:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:22,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:00:22,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:22,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:00:22,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:00:22,378 INFO L87 Difference]: Start difference. First operand 845 states and 1317 transitions. Second operand has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:00:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:25,581 INFO L93 Difference]: Finished difference Result 2402 states and 3725 transitions. [2024-10-24 07:00:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 07:00:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 199 [2024-10-24 07:00:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:25,591 INFO L225 Difference]: With dead ends: 2402 [2024-10-24 07:00:25,591 INFO L226 Difference]: Without dead ends: 1904 [2024-10-24 07:00:25,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2024-10-24 07:00:25,594 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1168 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:25,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 956 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 07:00:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2024-10-24 07:00:25,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 911. [2024-10-24 07:00:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 801 states have (on average 1.5205992509363295) internal successors, (1218), 808 states have internal predecessors, (1218), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1418 transitions. [2024-10-24 07:00:25,663 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1418 transitions. Word has length 199 [2024-10-24 07:00:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:25,664 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1418 transitions. [2024-10-24 07:00:25,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.357142857142857) internal successors, (47), 15 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:00:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1418 transitions. [2024-10-24 07:00:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:25,668 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:25,668 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:25,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 07:00:25,668 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:25,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:25,669 INFO L85 PathProgramCache]: Analyzing trace with hash -982112187, now seen corresponding path program 1 times [2024-10-24 07:00:25,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:25,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906989772] [2024-10-24 07:00:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:34,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:34,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906989772] [2024-10-24 07:00:34,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906989772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:34,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:34,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:00:34,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496867826] [2024-10-24 07:00:34,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:34,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:00:34,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:34,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:00:34,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:00:34,226 INFO L87 Difference]: Start difference. First operand 911 states and 1418 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:37,911 INFO L93 Difference]: Finished difference Result 2428 states and 3723 transitions. [2024-10-24 07:00:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 07:00:37,912 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 07:00:37,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:37,920 INFO L225 Difference]: With dead ends: 2428 [2024-10-24 07:00:37,921 INFO L226 Difference]: Without dead ends: 1948 [2024-10-24 07:00:37,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2024-10-24 07:00:37,924 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1156 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:37,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 1360 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 07:00:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-10-24 07:00:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 912. [2024-10-24 07:00:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 802 states have (on average 1.5211970074812968) internal successors, (1220), 809 states have internal predecessors, (1220), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1420 transitions. [2024-10-24 07:00:38,007 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1420 transitions. Word has length 199 [2024-10-24 07:00:38,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:38,007 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1420 transitions. [2024-10-24 07:00:38,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1420 transitions. [2024-10-24 07:00:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:38,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:38,011 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:38,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 07:00:38,011 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:38,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1318710403, now seen corresponding path program 1 times [2024-10-24 07:00:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:38,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666882722] [2024-10-24 07:00:38,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:00:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:00:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:00:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:00:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:00:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:00:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:00:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:00:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:00:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:00:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:00:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:00:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:00:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:00:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:00:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:00:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:00:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:00:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:00:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:00:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:00:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:00:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:00:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:00:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:00:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:00:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:00:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:00:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 07:00:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:00:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:00:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:00:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:00:46,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:00:46,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666882722] [2024-10-24 07:00:46,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666882722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:00:46,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:00:46,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:00:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409312837] [2024-10-24 07:00:46,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:00:46,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:00:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:00:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:00:46,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:00:46,118 INFO L87 Difference]: Start difference. First operand 912 states and 1420 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:50,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:00:50,212 INFO L93 Difference]: Finished difference Result 2549 states and 3916 transitions. [2024-10-24 07:00:50,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 07:00:50,212 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 07:00:50,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:00:50,221 INFO L225 Difference]: With dead ends: 2549 [2024-10-24 07:00:50,221 INFO L226 Difference]: Without dead ends: 2067 [2024-10-24 07:00:50,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2024-10-24 07:00:50,223 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 930 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:00:50,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 1305 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 07:00:50,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-10-24 07:00:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 959. [2024-10-24 07:00:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 849 states have (on average 1.5265017667844523) internal successors, (1296), 856 states have internal predecessors, (1296), 100 states have call successors, (100), 9 states have call predecessors, (100), 9 states have return successors, (100), 93 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 07:00:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1496 transitions. [2024-10-24 07:00:50,299 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1496 transitions. Word has length 199 [2024-10-24 07:00:50,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:00:50,300 INFO L471 AbstractCegarLoop]: Abstraction has 959 states and 1496 transitions. [2024-10-24 07:00:50,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:00:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1496 transitions. [2024-10-24 07:00:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 07:00:50,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:00:50,303 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:00:50,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 07:00:50,304 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:00:50,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:00:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1421070529, now seen corresponding path program 1 times [2024-10-24 07:00:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:00:50,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094895467] [2024-10-24 07:00:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:00:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:00:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat