./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_operatoramount_amount250_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.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 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:30:35,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:30:35,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:30:35,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:30:35,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:30:35,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:30:35,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:30:35,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:30:35,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:30:35,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:30:35,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:30:35,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:30:35,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:30:35,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:30:35,367 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:30:35,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:30:35,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:30:35,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:30:35,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:30:35,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:30:35,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:30:35,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:30:35,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:30:35,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:30:35,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:30:35,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:30:35,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:30:35,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:30:35,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:30:35,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:30:35,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:30:35,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:30:35,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:30:35,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:30:35,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:30:35,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:30:35,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:30:35,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:30:35,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:30:35,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:30:35,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:30:35,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:30:35,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 [2024-10-24 10:30:35,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:30:35,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:30:35,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:30:35,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:30:35,658 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:30:35,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-10-24 10:30:37,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:30:37,313 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:30:37,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-10-24 10:30:37,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cebe788cf/840f6484f5814cb5bd2cbeb1c852470e/FLAGbee1778df [2024-10-24 10:30:37,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cebe788cf/840f6484f5814cb5bd2cbeb1c852470e [2024-10-24 10:30:37,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:30:37,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:30:37,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:30:37,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:30:37,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:30:37,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:37" (1/1) ... [2024-10-24 10:30:37,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec6c485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:37, skipping insertion in model container [2024-10-24 10:30:37,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:30:37" (1/1) ... [2024-10-24 10:30:37,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:30:37,924 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_operatoramount_amount250_file-92.i[916,929] [2024-10-24 10:30:38,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:30:38,121 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:30:38,131 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_operatoramount_amount250_file-92.i[916,929] [2024-10-24 10:30:38,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:30:38,226 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:30:38,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38 WrapperNode [2024-10-24 10:30:38,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:30:38,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:30:38,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:30:38,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:30:38,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,331 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-10-24 10:30:38,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:30:38,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:30:38,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:30:38,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:30:38,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,418 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 10:30:38,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:30:38,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:30:38,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:30:38,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:30:38,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (1/1) ... [2024-10-24 10:30:38,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:30:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:30:38,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 10:30:38,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 10:30:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:30:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:30:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:30:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:30:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:30:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:30:38,711 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:30:38,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:30:39,728 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-24 10:30:39,729 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:30:39,773 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:30:39,774 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:30:39,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:39 BoogieIcfgContainer [2024-10-24 10:30:39,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:30:39,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:30:39,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:30:39,780 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:30:39,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:30:37" (1/3) ... [2024-10-24 10:30:39,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5097f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:39, skipping insertion in model container [2024-10-24 10:30:39,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:30:38" (2/3) ... [2024-10-24 10:30:39,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5097f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:30:39, skipping insertion in model container [2024-10-24 10:30:39,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:30:39" (3/3) ... [2024-10-24 10:30:39,783 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-92.i [2024-10-24 10:30:39,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:30:39,801 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:30:39,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:30:39,890 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;@2d2ade2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:30:39,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:30:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 143 states have (on average 1.5104895104895104) internal successors, (216), 144 states have internal predecessors, (216), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 10:30:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 10:30:39,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:39,926 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:39,928 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:39,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 824278408, now seen corresponding path program 1 times [2024-10-24 10:30:39,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:39,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878912295] [2024-10-24 10:30:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:40,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:40,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878912295] [2024-10-24 10:30:40,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878912295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:40,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:40,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:30:40,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561754956] [2024-10-24 10:30:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:40,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:30:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:40,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:30:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:30:40,683 INFO L87 Difference]: Start difference. First operand has 192 states, 143 states have (on average 1.5104895104895104) internal successors, (216), 144 states have internal predecessors, (216), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-24 10:30:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:40,751 INFO L93 Difference]: Finished difference Result 381 states and 660 transitions. [2024-10-24 10:30:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:30:40,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 314 [2024-10-24 10:30:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:40,764 INFO L225 Difference]: With dead ends: 381 [2024-10-24 10:30:40,764 INFO L226 Difference]: Without dead ends: 190 [2024-10-24 10:30:40,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:30:40,776 INFO L432 NwaCegarLoop]: 300 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, 300 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:40,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:30:40,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-24 10:30:40,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-10-24 10:30:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 142 states have (on average 1.4859154929577465) internal successors, (211), 142 states have internal predecessors, (211), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 10:30:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 303 transitions. [2024-10-24 10:30:40,854 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 303 transitions. Word has length 314 [2024-10-24 10:30:40,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:40,854 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 303 transitions. [2024-10-24 10:30:40,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-24 10:30:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 303 transitions. [2024-10-24 10:30:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 10:30:40,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:40,866 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:40,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:30:40,867 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:40,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1387063752, now seen corresponding path program 1 times [2024-10-24 10:30:40,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:40,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904649295] [2024-10-24 10:30:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:40,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:41,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904649295] [2024-10-24 10:30:41,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904649295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:41,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:41,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:30:41,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043467519] [2024-10-24 10:30:41,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:41,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:30:41,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:30:41,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:41,379 INFO L87 Difference]: Start difference. First operand 190 states and 303 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:41,500 INFO L93 Difference]: Finished difference Result 564 states and 899 transitions. [2024-10-24 10:30:41,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:30:41,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 314 [2024-10-24 10:30:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:41,510 INFO L225 Difference]: With dead ends: 564 [2024-10-24 10:30:41,510 INFO L226 Difference]: Without dead ends: 375 [2024-10-24 10:30:41,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:41,513 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 291 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:41,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 774 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:30:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-24 10:30:41,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 207. [2024-10-24 10:30:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 159 states have (on average 1.4968553459119496) internal successors, (238), 159 states have internal predecessors, (238), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 10:30:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 330 transitions. [2024-10-24 10:30:41,553 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 330 transitions. Word has length 314 [2024-10-24 10:30:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:41,559 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 330 transitions. [2024-10-24 10:30:41,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 330 transitions. [2024-10-24 10:30:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 10:30:41,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:41,569 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:41,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:30:41,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:41,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1756891528, now seen corresponding path program 1 times [2024-10-24 10:30:41,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:41,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075085264] [2024-10-24 10:30:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:41,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:41,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:41,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075085264] [2024-10-24 10:30:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075085264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:41,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:41,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:30:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091118019] [2024-10-24 10:30:41,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:41,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:30:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:41,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:30:41,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:41,945 INFO L87 Difference]: Start difference. First operand 207 states and 330 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:42,016 INFO L93 Difference]: Finished difference Result 581 states and 923 transitions. [2024-10-24 10:30:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:30:42,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 314 [2024-10-24 10:30:42,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:42,022 INFO L225 Difference]: With dead ends: 581 [2024-10-24 10:30:42,024 INFO L226 Difference]: Without dead ends: 375 [2024-10-24 10:30:42,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:42,026 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 280 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:42,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 585 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:30:42,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-24 10:30:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 207. [2024-10-24 10:30:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 159 states have (on average 1.4779874213836477) internal successors, (235), 159 states have internal predecessors, (235), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-24 10:30:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 327 transitions. [2024-10-24 10:30:42,061 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 327 transitions. Word has length 314 [2024-10-24 10:30:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:42,064 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 327 transitions. [2024-10-24 10:30:42,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 327 transitions. [2024-10-24 10:30:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 10:30:42,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:42,071 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:42,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:30:42,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:42,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1730751112, now seen corresponding path program 1 times [2024-10-24 10:30:42,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:42,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457276935] [2024-10-24 10:30:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:42,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:42,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457276935] [2024-10-24 10:30:42,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457276935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:42,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:42,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:30:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715572274] [2024-10-24 10:30:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:42,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:30:42,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:30:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:42,400 INFO L87 Difference]: Start difference. First operand 207 states and 327 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:42,473 INFO L93 Difference]: Finished difference Result 533 states and 838 transitions. [2024-10-24 10:30:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:30:42,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 314 [2024-10-24 10:30:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:42,477 INFO L225 Difference]: With dead ends: 533 [2024-10-24 10:30:42,477 INFO L226 Difference]: Without dead ends: 327 [2024-10-24 10:30:42,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:42,479 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 131 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:42,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 588 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:30:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-10-24 10:30:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 324. [2024-10-24 10:30:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 271 states have (on average 1.5055350553505535) internal successors, (408), 272 states have internal predecessors, (408), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 10:30:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 508 transitions. [2024-10-24 10:30:42,498 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 508 transitions. Word has length 314 [2024-10-24 10:30:42,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:42,499 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 508 transitions. [2024-10-24 10:30:42,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 508 transitions. [2024-10-24 10:30:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-10-24 10:30:42,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:42,508 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:42,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:30:42,509 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:42,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:42,509 INFO L85 PathProgramCache]: Analyzing trace with hash 268768363, now seen corresponding path program 1 times [2024-10-24 10:30:42,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:42,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374526928] [2024-10-24 10:30:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:42,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:43,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374526928] [2024-10-24 10:30:43,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374526928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:43,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:43,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:30:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182072411] [2024-10-24 10:30:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:43,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:30:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:43,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:30:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:30:43,218 INFO L87 Difference]: Start difference. First operand 324 states and 508 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:43,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:43,478 INFO L93 Difference]: Finished difference Result 962 states and 1511 transitions. [2024-10-24 10:30:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:30:43,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 315 [2024-10-24 10:30:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:43,489 INFO L225 Difference]: With dead ends: 962 [2024-10-24 10:30:43,489 INFO L226 Difference]: Without dead ends: 639 [2024-10-24 10:30:43,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:30:43,492 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 257 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:43,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 866 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:30:43,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-10-24 10:30:43,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 619. [2024-10-24 10:30:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 519 states have (on average 1.510597302504817) internal successors, (784), 520 states have internal predecessors, (784), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-24 10:30:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 976 transitions. [2024-10-24 10:30:43,556 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 976 transitions. Word has length 315 [2024-10-24 10:30:43,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:43,557 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 976 transitions. [2024-10-24 10:30:43,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:43,557 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 976 transitions. [2024-10-24 10:30:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-10-24 10:30:43,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:43,561 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:43,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:30:43,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:43,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:43,562 INFO L85 PathProgramCache]: Analyzing trace with hash 590794403, now seen corresponding path program 1 times [2024-10-24 10:30:43,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:43,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311941547] [2024-10-24 10:30:43,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:43,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:44,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:44,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311941547] [2024-10-24 10:30:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311941547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:44,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:44,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:30:44,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324342818] [2024-10-24 10:30:44,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:44,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:30:44,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:30:44,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:30:44,004 INFO L87 Difference]: Start difference. First operand 619 states and 976 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:44,283 INFO L93 Difference]: Finished difference Result 1621 states and 2535 transitions. [2024-10-24 10:30:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:30:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 316 [2024-10-24 10:30:44,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:44,291 INFO L225 Difference]: With dead ends: 1621 [2024-10-24 10:30:44,292 INFO L226 Difference]: Without dead ends: 1086 [2024-10-24 10:30:44,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:30:44,295 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 384 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:44,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 923 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:30:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-10-24 10:30:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1066. [2024-10-24 10:30:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 914 states have (on average 1.49890590809628) internal successors, (1370), 916 states have internal predecessors, (1370), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 10:30:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1662 transitions. [2024-10-24 10:30:44,405 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1662 transitions. Word has length 316 [2024-10-24 10:30:44,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:44,406 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1662 transitions. [2024-10-24 10:30:44,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1662 transitions. [2024-10-24 10:30:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-24 10:30:44,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:44,410 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:44,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 10:30:44,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:44,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:44,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1155663280, now seen corresponding path program 1 times [2024-10-24 10:30:44,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:44,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229764702] [2024-10-24 10:30:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:45,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:45,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229764702] [2024-10-24 10:30:45,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229764702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:45,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:45,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:30:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454582453] [2024-10-24 10:30:45,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:45,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:30:45,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:45,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:30:45,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:30:45,074 INFO L87 Difference]: Start difference. First operand 1066 states and 1662 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:45,353 INFO L93 Difference]: Finished difference Result 2086 states and 3239 transitions. [2024-10-24 10:30:45,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:30:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 317 [2024-10-24 10:30:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:45,361 INFO L225 Difference]: With dead ends: 2086 [2024-10-24 10:30:45,361 INFO L226 Difference]: Without dead ends: 1104 [2024-10-24 10:30:45,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:30:45,367 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 249 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:45,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 864 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:30:45,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2024-10-24 10:30:45,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1074. [2024-10-24 10:30:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 922 states have (on average 1.4934924078091105) internal successors, (1377), 924 states have internal predecessors, (1377), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 10:30:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1669 transitions. [2024-10-24 10:30:45,423 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1669 transitions. Word has length 317 [2024-10-24 10:30:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:45,425 INFO L471 AbstractCegarLoop]: Abstraction has 1074 states and 1669 transitions. [2024-10-24 10:30:45,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1669 transitions. [2024-10-24 10:30:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-24 10:30:45,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:45,429 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:45,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:30:45,430 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:45,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash -728059898, now seen corresponding path program 1 times [2024-10-24 10:30:45,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977868925] [2024-10-24 10:30:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:46,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:46,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977868925] [2024-10-24 10:30:46,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977868925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:46,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:46,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:30:46,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791009011] [2024-10-24 10:30:46,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:46,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:30:46,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:46,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:30:46,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:46,146 INFO L87 Difference]: Start difference. First operand 1074 states and 1669 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:46,310 INFO L93 Difference]: Finished difference Result 2708 states and 4183 transitions. [2024-10-24 10:30:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:30:46,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 318 [2024-10-24 10:30:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:46,320 INFO L225 Difference]: With dead ends: 2708 [2024-10-24 10:30:46,321 INFO L226 Difference]: Without dead ends: 1827 [2024-10-24 10:30:46,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:30:46,323 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 267 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:46,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 733 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:30:46,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-10-24 10:30:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1086. [2024-10-24 10:30:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 934 states have (on average 1.4871520342612419) internal successors, (1389), 936 states have internal predecessors, (1389), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 10:30:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1681 transitions. [2024-10-24 10:30:46,411 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1681 transitions. Word has length 318 [2024-10-24 10:30:46,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:46,411 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1681 transitions. [2024-10-24 10:30:46,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1681 transitions. [2024-10-24 10:30:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-10-24 10:30:46,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:46,416 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:46,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:30:46,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:46,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:46,417 INFO L85 PathProgramCache]: Analyzing trace with hash -587511288, now seen corresponding path program 1 times [2024-10-24 10:30:46,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:46,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645891181] [2024-10-24 10:30:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:46,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:47,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:47,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645891181] [2024-10-24 10:30:47,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645891181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:47,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:47,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:30:47,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143767300] [2024-10-24 10:30:47,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:47,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:30:47,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:47,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:30:47,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:30:47,513 INFO L87 Difference]: Start difference. First operand 1086 states and 1681 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:47,859 INFO L93 Difference]: Finished difference Result 2163 states and 3339 transitions. [2024-10-24 10:30:47,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:30:47,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 318 [2024-10-24 10:30:47,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:47,866 INFO L225 Difference]: With dead ends: 2163 [2024-10-24 10:30:47,866 INFO L226 Difference]: Without dead ends: 1188 [2024-10-24 10:30:47,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:30:47,868 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 294 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:47,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 860 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:30:47,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2024-10-24 10:30:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1086. [2024-10-24 10:30:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 934 states have (on average 1.480728051391863) internal successors, (1383), 936 states have internal predecessors, (1383), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 10:30:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1675 transitions. [2024-10-24 10:30:47,946 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1675 transitions. Word has length 318 [2024-10-24 10:30:47,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:47,947 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1675 transitions. [2024-10-24 10:30:47,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1675 transitions. [2024-10-24 10:30:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-24 10:30:47,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:47,951 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:47,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 10:30:47,952 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:47,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:47,952 INFO L85 PathProgramCache]: Analyzing trace with hash 248808589, now seen corresponding path program 1 times [2024-10-24 10:30:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:47,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289480794] [2024-10-24 10:30:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:50,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289480794] [2024-10-24 10:30:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289480794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 10:30:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357947384] [2024-10-24 10:30:50,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:50,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 10:30:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 10:30:50,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:30:50,050 INFO L87 Difference]: Start difference. First operand 1086 states and 1675 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:51,799 INFO L93 Difference]: Finished difference Result 5062 states and 7846 transitions. [2024-10-24 10:30:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 10:30:51,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 319 [2024-10-24 10:30:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:51,819 INFO L225 Difference]: With dead ends: 5062 [2024-10-24 10:30:51,820 INFO L226 Difference]: Without dead ends: 4183 [2024-10-24 10:30:51,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-24 10:30:51,825 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 1407 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:51,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 2395 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 10:30:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4183 states. [2024-10-24 10:30:52,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4183 to 3430. [2024-10-24 10:30:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3430 states, 3070 states have (on average 1.486970684039088) internal successors, (4565), 3076 states have internal predecessors, (4565), 346 states have call successors, (346), 13 states have call predecessors, (346), 13 states have return successors, (346), 340 states have call predecessors, (346), 346 states have call successors, (346) [2024-10-24 10:30:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 3430 states and 5257 transitions. [2024-10-24 10:30:52,133 INFO L78 Accepts]: Start accepts. Automaton has 3430 states and 5257 transitions. Word has length 319 [2024-10-24 10:30:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:52,134 INFO L471 AbstractCegarLoop]: Abstraction has 3430 states and 5257 transitions. [2024-10-24 10:30:52,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 5257 transitions. [2024-10-24 10:30:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-24 10:30:52,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:52,141 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:52,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 10:30:52,141 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:52,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash -568839861, now seen corresponding path program 1 times [2024-10-24 10:30:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575663367] [2024-10-24 10:30:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:30:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:30:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:30:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:30:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:30:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:30:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:30:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:30:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:30:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:30:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:30:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:30:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:30:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:30:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:30:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:30:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:30:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:30:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:30:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:30:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:30:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:30:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:30:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:30:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:30:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:30:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:30:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:30:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:30:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:30:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:30:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:30:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:30:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:30:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:30:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:30:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:30:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:30:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:30:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:30:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:30:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:30:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:30:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:30:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:30:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:30:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:30:52,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:30:52,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575663367] [2024-10-24 10:30:52,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575663367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:30:52,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:30:52,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:30:52,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949954929] [2024-10-24 10:30:52,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:30:52,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:30:52,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:30:52,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:30:52,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:30:52,793 INFO L87 Difference]: Start difference. First operand 3430 states and 5257 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:53,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:30:53,106 INFO L93 Difference]: Finished difference Result 7939 states and 12109 transitions. [2024-10-24 10:30:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:30:53,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 319 [2024-10-24 10:30:53,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:30:53,138 INFO L225 Difference]: With dead ends: 7939 [2024-10-24 10:30:53,138 INFO L226 Difference]: Without dead ends: 6363 [2024-10-24 10:30:53,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:30:53,144 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 180 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:30:53,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 884 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:30:53,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6363 states. [2024-10-24 10:30:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6363 to 6297. [2024-10-24 10:30:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6297 states, 5625 states have (on average 1.4737777777777779) internal successors, (8290), 5637 states have internal predecessors, (8290), 646 states have call successors, (646), 25 states have call predecessors, (646), 25 states have return successors, (646), 634 states have call predecessors, (646), 646 states have call successors, (646) [2024-10-24 10:30:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6297 states to 6297 states and 9582 transitions. [2024-10-24 10:30:53,529 INFO L78 Accepts]: Start accepts. Automaton has 6297 states and 9582 transitions. Word has length 319 [2024-10-24 10:30:53,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:30:53,529 INFO L471 AbstractCegarLoop]: Abstraction has 6297 states and 9582 transitions. [2024-10-24 10:30:53,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:30:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 6297 states and 9582 transitions. [2024-10-24 10:30:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-10-24 10:30:53,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:30:53,536 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:30:53,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:30:53,537 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:30:53,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:30:53,537 INFO L85 PathProgramCache]: Analyzing trace with hash -438761551, now seen corresponding path program 1 times [2024-10-24 10:30:53,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:30:53,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952479079] [2024-10-24 10:30:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:01,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:01,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952479079] [2024-10-24 10:31:01,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952479079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:01,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:01,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:31:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927068614] [2024-10-24 10:31:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:01,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:31:01,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:31:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:31:01,442 INFO L87 Difference]: Start difference. First operand 6297 states and 9582 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:03,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:03,304 INFO L93 Difference]: Finished difference Result 19967 states and 30065 transitions. [2024-10-24 10:31:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:31:03,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 320 [2024-10-24 10:31:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:03,369 INFO L225 Difference]: With dead ends: 19967 [2024-10-24 10:31:03,370 INFO L226 Difference]: Without dead ends: 14349 [2024-10-24 10:31:03,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:31:03,386 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 727 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:03,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1613 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 10:31:03,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14349 states. [2024-10-24 10:31:03,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14349 to 9637. [2024-10-24 10:31:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9637 states, 8893 states have (on average 1.46047453052963) internal successors, (12988), 8929 states have internal predecessors, (12988), 694 states have call successors, (694), 49 states have call predecessors, (694), 49 states have return successors, (694), 658 states have call predecessors, (694), 694 states have call successors, (694) [2024-10-24 10:31:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9637 states to 9637 states and 14376 transitions. [2024-10-24 10:31:04,165 INFO L78 Accepts]: Start accepts. Automaton has 9637 states and 14376 transitions. Word has length 320 [2024-10-24 10:31:04,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:04,166 INFO L471 AbstractCegarLoop]: Abstraction has 9637 states and 14376 transitions. [2024-10-24 10:31:04,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:04,167 INFO L276 IsEmpty]: Start isEmpty. Operand 9637 states and 14376 transitions. [2024-10-24 10:31:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:04,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:04,173 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:04,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 10:31:04,174 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:04,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:04,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1909040695, now seen corresponding path program 1 times [2024-10-24 10:31:04,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:04,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047739903] [2024-10-24 10:31:04,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:05,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:05,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047739903] [2024-10-24 10:31:05,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047739903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:05,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:05,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:31:05,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592256935] [2024-10-24 10:31:05,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:05,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:31:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:05,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:31:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:31:05,025 INFO L87 Difference]: Start difference. First operand 9637 states and 14376 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:05,736 INFO L93 Difference]: Finished difference Result 24722 states and 36602 transitions. [2024-10-24 10:31:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:31:05,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-10-24 10:31:05,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:05,783 INFO L225 Difference]: With dead ends: 24722 [2024-10-24 10:31:05,783 INFO L226 Difference]: Without dead ends: 16430 [2024-10-24 10:31:05,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:31:05,801 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 361 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:05,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1192 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:31:05,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16430 states. [2024-10-24 10:31:06,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16430 to 7521. [2024-10-24 10:31:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7521 states, 6824 states have (on average 1.4623388042203986) internal successors, (9979), 6836 states have internal predecessors, (9979), 646 states have call successors, (646), 50 states have call predecessors, (646), 50 states have return successors, (646), 634 states have call predecessors, (646), 646 states have call successors, (646) [2024-10-24 10:31:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7521 states to 7521 states and 11271 transitions. [2024-10-24 10:31:06,332 INFO L78 Accepts]: Start accepts. Automaton has 7521 states and 11271 transitions. Word has length 321 [2024-10-24 10:31:06,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:06,333 INFO L471 AbstractCegarLoop]: Abstraction has 7521 states and 11271 transitions. [2024-10-24 10:31:06,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 7521 states and 11271 transitions. [2024-10-24 10:31:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:06,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:06,340 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:06,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 10:31:06,340 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:06,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1847001081, now seen corresponding path program 1 times [2024-10-24 10:31:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:06,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517755274] [2024-10-24 10:31:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:11,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517755274] [2024-10-24 10:31:11,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517755274] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:11,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:11,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 10:31:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190566861] [2024-10-24 10:31:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:11,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 10:31:11,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 10:31:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:31:11,987 INFO L87 Difference]: Start difference. First operand 7521 states and 11271 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:13,509 INFO L93 Difference]: Finished difference Result 18929 states and 28287 transitions. [2024-10-24 10:31:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 10:31:13,510 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-10-24 10:31:13,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:13,557 INFO L225 Difference]: With dead ends: 18929 [2024-10-24 10:31:13,557 INFO L226 Difference]: Without dead ends: 12351 [2024-10-24 10:31:13,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:31:13,576 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 599 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:13,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1919 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 10:31:13,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12351 states. [2024-10-24 10:31:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12351 to 11893. [2024-10-24 10:31:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11893 states, 10536 states have (on average 1.4351746393318148) internal successors, (15121), 10572 states have internal predecessors, (15121), 1246 states have call successors, (1246), 110 states have call predecessors, (1246), 110 states have return successors, (1246), 1210 states have call predecessors, (1246), 1246 states have call successors, (1246) [2024-10-24 10:31:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11893 states to 11893 states and 17613 transitions. [2024-10-24 10:31:14,445 INFO L78 Accepts]: Start accepts. Automaton has 11893 states and 17613 transitions. Word has length 321 [2024-10-24 10:31:14,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:14,446 INFO L471 AbstractCegarLoop]: Abstraction has 11893 states and 17613 transitions. [2024-10-24 10:31:14,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 11893 states and 17613 transitions. [2024-10-24 10:31:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:14,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:14,453 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:14,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 10:31:14,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:14,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:14,454 INFO L85 PathProgramCache]: Analyzing trace with hash -449855423, now seen corresponding path program 1 times [2024-10-24 10:31:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:14,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943462262] [2024-10-24 10:31:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:14,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:15,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:15,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943462262] [2024-10-24 10:31:15,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943462262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:15,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:15,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 10:31:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586486049] [2024-10-24 10:31:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:15,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:31:15,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:31:15,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:31:15,591 INFO L87 Difference]: Start difference. First operand 11893 states and 17613 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-24 10:31:18,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:18,216 INFO L93 Difference]: Finished difference Result 49538 states and 72857 transitions. [2024-10-24 10:31:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:31:18,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 321 [2024-10-24 10:31:18,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:18,349 INFO L225 Difference]: With dead ends: 49538 [2024-10-24 10:31:18,349 INFO L226 Difference]: Without dead ends: 39296 [2024-10-24 10:31:18,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:31:18,395 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 824 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:18,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 1458 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 10:31:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39296 states. [2024-10-24 10:31:20,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39296 to 31571. [2024-10-24 10:31:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31571 states, 28473 states have (on average 1.4419976820145401) internal successors, (41058), 28593 states have internal predecessors, (41058), 2782 states have call successors, (2782), 315 states have call predecessors, (2782), 315 states have return successors, (2782), 2662 states have call predecessors, (2782), 2782 states have call successors, (2782) [2024-10-24 10:31:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31571 states to 31571 states and 46622 transitions. [2024-10-24 10:31:20,581 INFO L78 Accepts]: Start accepts. Automaton has 31571 states and 46622 transitions. Word has length 321 [2024-10-24 10:31:20,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:20,581 INFO L471 AbstractCegarLoop]: Abstraction has 31571 states and 46622 transitions. [2024-10-24 10:31:20,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-24 10:31:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 31571 states and 46622 transitions. [2024-10-24 10:31:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:20,594 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:20,594 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:20,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 10:31:20,595 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:20,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash -959328513, now seen corresponding path program 1 times [2024-10-24 10:31:20,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:20,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548470055] [2024-10-24 10:31:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:20,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:21,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:21,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548470055] [2024-10-24 10:31:21,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548470055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:21,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:21,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:31:21,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706468025] [2024-10-24 10:31:21,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:21,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:31:21,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:21,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:31:21,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:31:21,528 INFO L87 Difference]: Start difference. First operand 31571 states and 46622 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:24,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:24,027 INFO L93 Difference]: Finished difference Result 80032 states and 116894 transitions. [2024-10-24 10:31:24,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:31:24,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-10-24 10:31:24,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:24,177 INFO L225 Difference]: With dead ends: 80032 [2024-10-24 10:31:24,177 INFO L226 Difference]: Without dead ends: 52702 [2024-10-24 10:31:24,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:31:24,243 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 253 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:24,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 635 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:31:24,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52702 states. [2024-10-24 10:31:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52702 to 31069. [2024-10-24 10:31:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31069 states, 27899 states have (on average 1.4339582063873257) internal successors, (40006), 28019 states have internal predecessors, (40006), 2782 states have call successors, (2782), 387 states have call predecessors, (2782), 387 states have return successors, (2782), 2662 states have call predecessors, (2782), 2782 states have call successors, (2782) [2024-10-24 10:31:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31069 states to 31069 states and 45570 transitions. [2024-10-24 10:31:27,025 INFO L78 Accepts]: Start accepts. Automaton has 31069 states and 45570 transitions. Word has length 321 [2024-10-24 10:31:27,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:27,025 INFO L471 AbstractCegarLoop]: Abstraction has 31069 states and 45570 transitions. [2024-10-24 10:31:27,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31069 states and 45570 transitions. [2024-10-24 10:31:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:27,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:27,038 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:27,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 10:31:27,039 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:27,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:27,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1293860925, now seen corresponding path program 1 times [2024-10-24 10:31:27,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:27,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014385852] [2024-10-24 10:31:27,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:27,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:32,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:32,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014385852] [2024-10-24 10:31:32,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014385852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:32,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:32,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 10:31:32,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733634536] [2024-10-24 10:31:32,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:32,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 10:31:32,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 10:31:32,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:31:32,219 INFO L87 Difference]: Start difference. First operand 31069 states and 45570 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:34,346 INFO L93 Difference]: Finished difference Result 65037 states and 94957 transitions. [2024-10-24 10:31:34,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 10:31:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-10-24 10:31:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:34,473 INFO L225 Difference]: With dead ends: 65037 [2024-10-24 10:31:34,473 INFO L226 Difference]: Without dead ends: 39083 [2024-10-24 10:31:34,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 10:31:34,542 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 426 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:34,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2183 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:31:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39083 states. [2024-10-24 10:31:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39083 to 30897. [2024-10-24 10:31:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30897 states, 27727 states have (on average 1.4308435820680203) internal successors, (39673), 27847 states have internal predecessors, (39673), 2782 states have call successors, (2782), 387 states have call predecessors, (2782), 387 states have return successors, (2782), 2662 states have call predecessors, (2782), 2782 states have call successors, (2782) [2024-10-24 10:31:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30897 states to 30897 states and 45237 transitions. [2024-10-24 10:31:36,966 INFO L78 Accepts]: Start accepts. Automaton has 30897 states and 45237 transitions. Word has length 321 [2024-10-24 10:31:36,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:31:36,967 INFO L471 AbstractCegarLoop]: Abstraction has 30897 states and 45237 transitions. [2024-10-24 10:31:36,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 30897 states and 45237 transitions. [2024-10-24 10:31:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-24 10:31:36,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:31:36,983 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:31:36,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 10:31:36,983 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:31:36,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:31:36,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1224933329, now seen corresponding path program 1 times [2024-10-24 10:31:36,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:31:36,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096560691] [2024-10-24 10:31:36,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:31:36,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:31:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:31:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:31:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:31:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:31:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:31:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 10:31:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:31:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 10:31:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:31:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 10:31:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:31:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 10:31:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:31:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 10:31:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:31:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 10:31:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:31:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:31:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:31:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 10:31:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:31:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 10:31:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:31:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:31:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:31:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:31:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 10:31:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 10:31:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 10:31:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 10:31:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 10:31:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-24 10:31:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 10:31:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-24 10:31:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:31:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:31:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 10:31:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:31:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 10:31:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:31:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 10:31:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:31:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:31:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:31:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:31:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:31:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:31:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-24 10:31:37,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:31:37,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096560691] [2024-10-24 10:31:37,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096560691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:31:37,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:31:37,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:31:37,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492142739] [2024-10-24 10:31:37,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:31:37,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:31:37,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:31:37,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:31:37,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:31:37,457 INFO L87 Difference]: Start difference. First operand 30897 states and 45237 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-24 10:31:39,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:31:39,657 INFO L93 Difference]: Finished difference Result 62192 states and 90560 transitions. [2024-10-24 10:31:39,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:31:39,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-10-24 10:31:39,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:31:39,771 INFO L225 Difference]: With dead ends: 62192 [2024-10-24 10:31:39,771 INFO L226 Difference]: Without dead ends: 34258 [2024-10-24 10:31:39,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:31:39,829 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 281 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:31:39,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 850 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:31:39,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34258 states.