./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_fillercodesize_ps-cn-10_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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_fillercodesize_ps-cn-10_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:18:38,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:18:38,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:18:38,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:18:38,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:18:38,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:18:38,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:18:38,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:18:38,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:18:38,153 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:18:38,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:18:38,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:18:38,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:18:38,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:18:38,155 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:18:38,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:18:38,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:18:38,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:18:38,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:18:38,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:18:38,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:18:38,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:18:38,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:18:38,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:18:38,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:18:38,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:18:38,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:18:38,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:18:38,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:18:38,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:18:38,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:18:38,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:18:38,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:18:38,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:18:38,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:18:38,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:18:38,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:18:38,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:18:38,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:18:38,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:18:38,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:18:38,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:18:38,168 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b9308720d07799738d2bf3272bc150196623be74b0092d021bdb1b9cd368313 [2024-10-14 08:18:38,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:18:38,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:18:38,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:18:38,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:18:38,472 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:18:38,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-10-14 08:18:39,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:18:40,099 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:18:40,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-10-14 08:18:40,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8bf3af80/2a08532261e14b629e00d8e5885dacfc/FLAGbf288b8ad [2024-10-14 08:18:40,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8bf3af80/2a08532261e14b629e00d8e5885dacfc [2024-10-14 08:18:40,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:18:40,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:18:40,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:18:40,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:18:40,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:18:40,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33223e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40, skipping insertion in model container [2024-10-14 08:18:40,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:18:40,314 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_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-10-14 08:18:40,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:18:40,399 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:18:40,412 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_fillercodesize_ps-cn-10_file-81.i[915,928] [2024-10-14 08:18:40,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:18:40,476 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:18:40,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40 WrapperNode [2024-10-14 08:18:40,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:18:40,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:18:40,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:18:40,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:18:40,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,562 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2024-10-14 08:18:40,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:18:40,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:18:40,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:18:40,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:18:40,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,607 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]. [2024-10-14 08:18:40,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:18:40,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:18:40,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:18:40,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:18:40,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (1/1) ... [2024-10-14 08:18:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:18:40,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:18:40,690 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) [2024-10-14 08:18:40,692 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 [2024-10-14 08:18:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:18:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:18:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:18:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:18:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:18:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:18:40,818 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:18:40,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:18:41,238 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 08:18:41,238 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:18:41,280 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:18:41,280 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:18:41,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:18:41 BoogieIcfgContainer [2024-10-14 08:18:41,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:18:41,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:18:41,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:18:41,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:18:41,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:18:40" (1/3) ... [2024-10-14 08:18:41,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c468fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:18:41, skipping insertion in model container [2024-10-14 08:18:41,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:18:40" (2/3) ... [2024-10-14 08:18:41,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c468fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:18:41, skipping insertion in model container [2024-10-14 08:18:41,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:18:41" (3/3) ... [2024-10-14 08:18:41,289 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-81.i [2024-10-14 08:18:41,304 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:18:41,304 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:18:41,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:18:41,377 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;@69af1c75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:18:41,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:18:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 49 states have internal predecessors, (67), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 08:18:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:18:41,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:18:41,399 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:18:41,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:18:41,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:18:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2018427028, now seen corresponding path program 1 times [2024-10-14 08:18:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:18:41,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923187836] [2024-10-14 08:18:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:18:41,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:18:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:18:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:18:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:18:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:18:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:18:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:18:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:18:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:18:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:18:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:18:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:18:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:18:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:18:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:18:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:18:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:18:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:18:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:18:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:18:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:18:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:18:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:18:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:18:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:18:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:18:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:18:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:18:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:18:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:18:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:18:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:18:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:18:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:18:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:18:42,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:18:42,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923187836] [2024-10-14 08:18:42,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923187836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:18:42,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:18:42,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:18:42,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029805353] [2024-10-14 08:18:42,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:18:42,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:18:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:18:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:18:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:18:42,065 INFO L87 Difference]: Start difference. First operand has 84 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 49 states have internal predecessors, (67), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:18:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:18:42,116 INFO L93 Difference]: Finished difference Result 165 states and 297 transitions. [2024-10-14 08:18:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:18:42,121 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2024-10-14 08:18:42,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:18:42,131 INFO L225 Difference]: With dead ends: 165 [2024-10-14 08:18:42,131 INFO L226 Difference]: Without dead ends: 82 [2024-10-14 08:18:42,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:18:42,142 INFO L432 NwaCegarLoop]: 125 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, 125 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 [2024-10-14 08:18:42,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:18:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-14 08:18:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-10-14 08:18:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 08:18:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 128 transitions. [2024-10-14 08:18:42,202 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 128 transitions. Word has length 200 [2024-10-14 08:18:42,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:18:42,204 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 128 transitions. [2024-10-14 08:18:42,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:18:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2024-10-14 08:18:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:18:42,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:18:42,211 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:18:42,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:18:42,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:18:42,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:18:42,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1061213142, now seen corresponding path program 1 times [2024-10-14 08:18:42,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:18:42,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199999468] [2024-10-14 08:18:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:18:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:18:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:18:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:18:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:18:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:18:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:18:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:18:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:18:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:18:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:18:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:18:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:18:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:18:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:18:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:18:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:18:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:18:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:18:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:18:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:18:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:18:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:18:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:18:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:18:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:18:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:18:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:18:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:18:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:18:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:18:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:18:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:18:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:18:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:18:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:18:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:18:43,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:18:43,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199999468] [2024-10-14 08:18:43,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199999468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:18:43,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:18:43,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 08:18:43,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549296590] [2024-10-14 08:18:43,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:18:43,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 08:18:43,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:18:44,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 08:18:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 08:18:44,009 INFO L87 Difference]: Start difference. First operand 82 states and 128 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:18:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:18:44,587 INFO L93 Difference]: Finished difference Result 245 states and 383 transitions. [2024-10-14 08:18:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 08:18:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:18:44,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:18:44,592 INFO L225 Difference]: With dead ends: 245 [2024-10-14 08:18:44,592 INFO L226 Difference]: Without dead ends: 164 [2024-10-14 08:18:44,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 08:18:44,594 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 138 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 08:18:44,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 444 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 08:18:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-14 08:18:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 144. [2024-10-14 08:18:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:18:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 226 transitions. [2024-10-14 08:18:44,627 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 226 transitions. Word has length 200 [2024-10-14 08:18:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:18:44,628 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 226 transitions. [2024-10-14 08:18:44,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:18:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2024-10-14 08:18:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:18:44,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:18:44,631 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:18:44,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:18:44,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:18:44,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:18:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1762277720, now seen corresponding path program 1 times [2024-10-14 08:18:44,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:18:44,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683747653] [2024-10-14 08:18:44,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:18:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:18:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:03,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683747653] [2024-10-14 08:19:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683747653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:03,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:03,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 08:19:03,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562633701] [2024-10-14 08:19:03,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:03,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 08:19:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:03,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 08:19:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:19:03,351 INFO L87 Difference]: Start difference. First operand 144 states and 226 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:04,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:04,684 INFO L93 Difference]: Finished difference Result 308 states and 472 transitions. [2024-10-14 08:19:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 08:19:04,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:19:04,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:04,689 INFO L225 Difference]: With dead ends: 308 [2024-10-14 08:19:04,689 INFO L226 Difference]: Without dead ends: 227 [2024-10-14 08:19:04,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-14 08:19:04,693 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 189 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:04,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 639 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 08:19:04,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-14 08:19:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 160. [2024-10-14 08:19:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 91 states have internal predecessors, (118), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:19:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 250 transitions. [2024-10-14 08:19:04,741 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 250 transitions. Word has length 200 [2024-10-14 08:19:04,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:04,742 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 250 transitions. [2024-10-14 08:19:04,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:04,742 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 250 transitions. [2024-10-14 08:19:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:19:04,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:04,747 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:04,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:19:04,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:04,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1082219350, now seen corresponding path program 1 times [2024-10-14 08:19:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:04,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129151532] [2024-10-14 08:19:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:04,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:05,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:05,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129151532] [2024-10-14 08:19:05,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129151532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:05,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:05,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:19:05,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946770905] [2024-10-14 08:19:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:05,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:19:05,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:05,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:19:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:19:05,073 INFO L87 Difference]: Start difference. First operand 160 states and 250 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:05,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:05,156 INFO L93 Difference]: Finished difference Result 284 states and 439 transitions. [2024-10-14 08:19:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:19:05,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:19:05,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:05,161 INFO L225 Difference]: With dead ends: 284 [2024-10-14 08:19:05,164 INFO L226 Difference]: Without dead ends: 190 [2024-10-14 08:19:05,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:19:05,166 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 40 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:05,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 363 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 08:19:05,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-14 08:19:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2024-10-14 08:19:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 114 states have internal predecessors, (147), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 287 transitions. [2024-10-14 08:19:05,226 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 287 transitions. Word has length 200 [2024-10-14 08:19:05,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:05,227 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 287 transitions. [2024-10-14 08:19:05,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 287 transitions. [2024-10-14 08:19:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-14 08:19:05,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:05,231 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:05,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:19:05,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:05,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2139662566, now seen corresponding path program 1 times [2024-10-14 08:19:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:05,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001349718] [2024-10-14 08:19:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:16,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001349718] [2024-10-14 08:19:16,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001349718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:16,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:16,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 08:19:16,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088169240] [2024-10-14 08:19:16,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:16,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 08:19:16,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:16,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 08:19:16,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:19:16,075 INFO L87 Difference]: Start difference. First operand 187 states and 287 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:17,124 INFO L93 Difference]: Finished difference Result 345 states and 520 transitions. [2024-10-14 08:19:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 08:19:17,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-14 08:19:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:17,129 INFO L225 Difference]: With dead ends: 345 [2024-10-14 08:19:17,129 INFO L226 Difference]: Without dead ends: 224 [2024-10-14 08:19:17,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-14 08:19:17,131 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 166 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:17,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 336 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 08:19:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-14 08:19:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 187. [2024-10-14 08:19:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 114 states have internal predecessors, (147), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 287 transitions. [2024-10-14 08:19:17,171 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 287 transitions. Word has length 200 [2024-10-14 08:19:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:17,172 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 287 transitions. [2024-10-14 08:19:17,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 287 transitions. [2024-10-14 08:19:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:17,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:17,174 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:17,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 08:19:17,178 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:17,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1811160627, now seen corresponding path program 1 times [2024-10-14 08:19:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979035183] [2024-10-14 08:19:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:22,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979035183] [2024-10-14 08:19:22,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979035183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:22,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:22,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 08:19:22,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869716521] [2024-10-14 08:19:22,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:22,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 08:19:22,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:22,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 08:19:22,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 08:19:22,960 INFO L87 Difference]: Start difference. First operand 187 states and 287 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:24,641 INFO L93 Difference]: Finished difference Result 499 states and 740 transitions. [2024-10-14 08:19:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 08:19:24,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2024-10-14 08:19:24,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:24,645 INFO L225 Difference]: With dead ends: 499 [2024-10-14 08:19:24,645 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 08:19:24,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-10-14 08:19:24,647 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 502 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:24,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 600 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 08:19:24,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 08:19:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 192. [2024-10-14 08:19:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2024-10-14 08:19:24,678 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 201 [2024-10-14 08:19:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:24,678 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2024-10-14 08:19:24,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2024-10-14 08:19:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:24,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:24,681 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:24,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 08:19:24,681 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:24,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:24,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1131102257, now seen corresponding path program 1 times [2024-10-14 08:19:24,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:24,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410087978] [2024-10-14 08:19:24,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:29,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:29,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410087978] [2024-10-14 08:19:29,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410087978] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:29,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:29,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 08:19:29,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354879489] [2024-10-14 08:19:29,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:29,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:19:29,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:19:29,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:19:29,507 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:30,286 INFO L93 Difference]: Finished difference Result 442 states and 662 transitions. [2024-10-14 08:19:30,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 08:19:30,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2024-10-14 08:19:30,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:30,290 INFO L225 Difference]: With dead ends: 442 [2024-10-14 08:19:30,290 INFO L226 Difference]: Without dead ends: 321 [2024-10-14 08:19:30,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:19:30,292 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 118 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:30,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 708 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 08:19:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-14 08:19:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 207. [2024-10-14 08:19:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 133 states have (on average 1.330827067669173) internal successors, (177), 134 states have internal predecessors, (177), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 317 transitions. [2024-10-14 08:19:30,323 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 317 transitions. Word has length 201 [2024-10-14 08:19:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:30,324 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 317 transitions. [2024-10-14 08:19:30,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 317 transitions. [2024-10-14 08:19:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:30,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:30,329 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:30,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 08:19:30,330 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:30,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2090779659, now seen corresponding path program 1 times [2024-10-14 08:19:30,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:30,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661476772] [2024-10-14 08:19:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:37,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:37,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661476772] [2024-10-14 08:19:37,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661476772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:37,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:37,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 08:19:37,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604187898] [2024-10-14 08:19:37,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:37,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 08:19:37,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:37,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 08:19:37,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:19:37,810 INFO L87 Difference]: Start difference. First operand 207 states and 317 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:38,532 INFO L93 Difference]: Finished difference Result 424 states and 638 transitions. [2024-10-14 08:19:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 08:19:38,534 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2024-10-14 08:19:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:38,536 INFO L225 Difference]: With dead ends: 424 [2024-10-14 08:19:38,536 INFO L226 Difference]: Without dead ends: 290 [2024-10-14 08:19:38,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-14 08:19:38,537 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 163 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:38,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 474 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 08:19:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-14 08:19:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 204. [2024-10-14 08:19:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 130 states have (on average 1.3307692307692307) internal successors, (173), 131 states have internal predecessors, (173), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:38,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 313 transitions. [2024-10-14 08:19:38,568 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 313 transitions. Word has length 201 [2024-10-14 08:19:38,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:38,568 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 313 transitions. [2024-10-14 08:19:38,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:38,569 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 313 transitions. [2024-10-14 08:19:38,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:38,571 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:38,571 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:38,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 08:19:38,572 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:38,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1524129267, now seen corresponding path program 1 times [2024-10-14 08:19:38,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:38,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251907093] [2024-10-14 08:19:38,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:38,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:44,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:44,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251907093] [2024-10-14 08:19:44,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251907093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:44,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:44,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 08:19:44,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977863064] [2024-10-14 08:19:44,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:44,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:19:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:44,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:19:44,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:19:44,908 INFO L87 Difference]: Start difference. First operand 204 states and 313 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:45,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:45,602 INFO L93 Difference]: Finished difference Result 418 states and 629 transitions. [2024-10-14 08:19:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 08:19:45,603 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2024-10-14 08:19:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:45,605 INFO L225 Difference]: With dead ends: 418 [2024-10-14 08:19:45,606 INFO L226 Difference]: Without dead ends: 283 [2024-10-14 08:19:45,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:19:45,607 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 115 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:45,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 561 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 08:19:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-14 08:19:45,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 203. [2024-10-14 08:19:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 130 states have internal predecessors, (171), 70 states have call successors, (70), 3 states have call predecessors, (70), 3 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-14 08:19:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 311 transitions. [2024-10-14 08:19:45,661 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 311 transitions. Word has length 201 [2024-10-14 08:19:45,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:45,662 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 311 transitions. [2024-10-14 08:19:45,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 311 transitions. [2024-10-14 08:19:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:45,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:45,664 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:45,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 08:19:45,665 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:45,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:45,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1472689419, now seen corresponding path program 1 times [2024-10-14 08:19:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:45,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897837353] [2024-10-14 08:19:45,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:45,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897837353] [2024-10-14 08:19:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897837353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:45,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:45,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:19:45,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172065385] [2024-10-14 08:19:45,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:45,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:19:45,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:45,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:19:45,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:19:45,896 INFO L87 Difference]: Start difference. First operand 203 states and 311 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:45,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:45,973 INFO L93 Difference]: Finished difference Result 364 states and 547 transitions. [2024-10-14 08:19:45,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:19:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 201 [2024-10-14 08:19:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:45,977 INFO L225 Difference]: With dead ends: 364 [2024-10-14 08:19:45,977 INFO L226 Difference]: Without dead ends: 230 [2024-10-14 08:19:45,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:19:45,978 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 57 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:45,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 378 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 08:19:45,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-14 08:19:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 192. [2024-10-14 08:19:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 121 states have (on average 1.3140495867768596) internal successors, (159), 121 states have internal predecessors, (159), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:19:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 291 transitions. [2024-10-14 08:19:46,008 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 291 transitions. Word has length 201 [2024-10-14 08:19:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:46,008 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 291 transitions. [2024-10-14 08:19:46,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 08:19:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 291 transitions. [2024-10-14 08:19:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:46,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:46,010 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:46,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 08:19:46,010 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:46,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2142219507, now seen corresponding path program 1 times [2024-10-14 08:19:46,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:46,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711449223] [2024-10-14 08:19:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:46,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:19:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:19:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:19:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:19:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:19:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:19:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:19:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:19:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:19:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:19:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:19:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:19:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:19:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:19:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:19:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:19:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:19:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:19:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 08:19:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 08:19:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 08:19:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 08:19:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 08:19:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 08:19:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 08:19:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 08:19:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 08:19:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 08:19:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 08:19:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 08:19:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 08:19:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 08:19:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:19:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 08:19:50,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:19:50,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711449223] [2024-10-14 08:19:50,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711449223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:19:50,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:19:50,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 08:19:50,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226132032] [2024-10-14 08:19:50,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:19:50,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 08:19:50,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:19:50,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 08:19:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 08:19:50,697 INFO L87 Difference]: Start difference. First operand 192 states and 291 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:19:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:19:52,450 INFO L93 Difference]: Finished difference Result 400 states and 592 transitions. [2024-10-14 08:19:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 08:19:52,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 201 [2024-10-14 08:19:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:19:52,453 INFO L225 Difference]: With dead ends: 400 [2024-10-14 08:19:52,453 INFO L226 Difference]: Without dead ends: 281 [2024-10-14 08:19:52,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-10-14 08:19:52,455 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 299 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 08:19:52,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 735 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 08:19:52,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-10-14 08:19:52,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 196. [2024-10-14 08:19:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 125 states have (on average 1.312) internal successors, (164), 125 states have internal predecessors, (164), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 08:19:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 296 transitions. [2024-10-14 08:19:52,480 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 296 transitions. Word has length 201 [2024-10-14 08:19:52,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:19:52,483 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 296 transitions. [2024-10-14 08:19:52,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 08:19:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 296 transitions. [2024-10-14 08:19:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-14 08:19:52,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:19:52,485 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:19:52,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 08:19:52,485 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:19:52,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:19:52,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1759720779, now seen corresponding path program 1 times [2024-10-14 08:19:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:19:52,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497333070] [2024-10-14 08:19:52,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:19:52,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:19:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat