./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_amount500_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-91.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 44a99e37bd4c1789c639eeb1fddddb52ff04b95cd337cf1d9ec2d82c2bdc4500 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:50:13,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:50:13,431 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:50:13,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:50:13,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:50:13,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:50:13,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:50:13,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:50:13,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:50:13,469 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:50:13,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:50:13,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:50:13,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:50:13,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:50:13,475 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:50:13,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:50:13,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:50:13,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:50:13,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:50:13,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:50:13,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:50:13,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:50:13,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:50:13,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:50:13,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:50:13,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:50:13,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:50:13,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:50:13,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:50:13,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:50:13,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:50:13,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:50:13,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:50:13,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:50:13,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:50:13,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:50:13,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:50:13,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:50:13,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:50:13,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:50:13,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:50:13,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:50:13,488 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a99e37bd4c1789c639eeb1fddddb52ff04b95cd337cf1d9ec2d82c2bdc4500 [2024-10-11 12:50:13,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:50:13,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:50:13,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:50:13,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:50:13,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:50:13,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-91.i [2024-10-11 12:50:15,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:50:15,455 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:50:15,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-91.i [2024-10-11 12:50:15,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3d49a0a41/11ff26148940476d8e171e890a173a5c/FLAG66a033292 [2024-10-11 12:50:15,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3d49a0a41/11ff26148940476d8e171e890a173a5c [2024-10-11 12:50:15,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:50:15,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:50:15,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:50:15,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:50:15,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:50:15,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:50:15" (1/1) ... [2024-10-11 12:50:15,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9164fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:15, skipping insertion in model container [2024-10-11 12:50:15,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:50:15" (1/1) ... [2024-10-11 12:50:15,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:50:15,725 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_amount500_file-91.i[916,929] [2024-10-11 12:50:15,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:50:15,924 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:50:15,955 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-91.i[916,929] [2024-10-11 12:50:16,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:50:16,086 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:50:16,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16 WrapperNode [2024-10-11 12:50:16,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:50:16,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:50:16,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:50:16,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:50:16,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,193 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 807 [2024-10-11 12:50:16,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:50:16,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:50:16,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:50:16,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:50:16,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,277 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]. [2024-10-11 12:50:16,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:50:16,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:50:16,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:50:16,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:50:16,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (1/1) ... [2024-10-11 12:50:16,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:50:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:50:16,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:50:16,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:50:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:50:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:50:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:50:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:50:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:50:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:50:16,549 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:50:16,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:50:17,570 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-10-11 12:50:17,571 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:50:17,621 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:50:17,623 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:50:17,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:50:17 BoogieIcfgContainer [2024-10-11 12:50:17,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:50:17,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:50:17,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:50:17,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:50:17,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:50:15" (1/3) ... [2024-10-11 12:50:17,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687058d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:50:17, skipping insertion in model container [2024-10-11 12:50:17,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:50:16" (2/3) ... [2024-10-11 12:50:17,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687058d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:50:17, skipping insertion in model container [2024-10-11 12:50:17,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:50:17" (3/3) ... [2024-10-11 12:50:17,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-91.i [2024-10-11 12:50:17,645 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:50:17,645 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:50:17,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:50:17,720 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;@315cecab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:50:17,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:50:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 308 states, 239 states have (on average 1.5648535564853556) internal successors, (374), 240 states have internal predecessors, (374), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 12:50:17,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:17,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:17,759 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:17,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:17,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:17,765 INFO L85 PathProgramCache]: Analyzing trace with hash 913117138, now seen corresponding path program 1 times [2024-10-11 12:50:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:17,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649824846] [2024-10-11 12:50:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:17,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:18,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:18,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649824846] [2024-10-11 12:50:18,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649824846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:18,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:18,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:50:18,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925190640] [2024-10-11 12:50:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:18,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:50:18,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:18,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:50:18,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:18,752 INFO L87 Difference]: Start difference. First operand has 308 states, 239 states have (on average 1.5648535564853556) internal successors, (374), 240 states have internal predecessors, (374), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:18,906 INFO L93 Difference]: Finished difference Result 913 states and 1636 transitions. [2024-10-11 12:50:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:50:18,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:18,926 INFO L225 Difference]: With dead ends: 913 [2024-10-11 12:50:18,927 INFO L226 Difference]: Without dead ends: 606 [2024-10-11 12:50:18,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:18,938 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 481 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:18,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 962 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:50:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-10-11 12:50:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 419. [2024-10-11 12:50:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 351 states have (on average 1.586894586894587) internal successors, (557), 351 states have internal predecessors, (557), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 12:50:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 689 transitions. [2024-10-11 12:50:19,008 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 689 transitions. Word has length 467 [2024-10-11 12:50:19,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:19,010 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 689 transitions. [2024-10-11 12:50:19,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 689 transitions. [2024-10-11 12:50:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:19,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:19,017 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:19,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:50:19,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:19,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:19,018 INFO L85 PathProgramCache]: Analyzing trace with hash -813543986, now seen corresponding path program 1 times [2024-10-11 12:50:19,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:19,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325997536] [2024-10-11 12:50:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:19,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:19,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325997536] [2024-10-11 12:50:19,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325997536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:19,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:19,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:50:19,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141339277] [2024-10-11 12:50:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:19,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:50:19,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:19,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:50:19,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:19,537 INFO L87 Difference]: Start difference. First operand 419 states and 689 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:19,659 INFO L93 Difference]: Finished difference Result 1247 states and 2049 transitions. [2024-10-11 12:50:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:50:19,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:19,667 INFO L225 Difference]: With dead ends: 1247 [2024-10-11 12:50:19,668 INFO L226 Difference]: Without dead ends: 829 [2024-10-11 12:50:19,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:19,671 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 476 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:19,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1145 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:50:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-10-11 12:50:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 479. [2024-10-11 12:50:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 411 states have (on average 1.586374695863747) internal successors, (652), 411 states have internal predecessors, (652), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 12:50:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 784 transitions. [2024-10-11 12:50:19,714 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 784 transitions. Word has length 467 [2024-10-11 12:50:19,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:19,717 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 784 transitions. [2024-10-11 12:50:19,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 784 transitions. [2024-10-11 12:50:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:19,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:19,724 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:19,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:50:19,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:19,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:19,725 INFO L85 PathProgramCache]: Analyzing trace with hash -430151154, now seen corresponding path program 1 times [2024-10-11 12:50:19,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:19,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988030790] [2024-10-11 12:50:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:19,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:19,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:20,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:20,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988030790] [2024-10-11 12:50:20,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988030790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:20,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:20,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:50:20,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212269391] [2024-10-11 12:50:20,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:20,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:50:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:20,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:50:20,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:20,167 INFO L87 Difference]: Start difference. First operand 479 states and 784 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:20,247 INFO L93 Difference]: Finished difference Result 1306 states and 2138 transitions. [2024-10-11 12:50:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:50:20,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:20,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:20,255 INFO L225 Difference]: With dead ends: 1306 [2024-10-11 12:50:20,255 INFO L226 Difference]: Without dead ends: 828 [2024-10-11 12:50:20,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:20,258 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 298 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:20,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1203 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:50:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-10-11 12:50:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 825. [2024-10-11 12:50:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 726 states have (on average 1.5909090909090908) internal successors, (1155), 727 states have internal predecessors, (1155), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 12:50:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1347 transitions. [2024-10-11 12:50:20,299 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1347 transitions. Word has length 467 [2024-10-11 12:50:20,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:20,302 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1347 transitions. [2024-10-11 12:50:20,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1347 transitions. [2024-10-11 12:50:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:20,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:20,310 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:20,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:50:20,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:20,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:20,311 INFO L85 PathProgramCache]: Analyzing trace with hash 510955982, now seen corresponding path program 1 times [2024-10-11 12:50:20,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:20,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271350681] [2024-10-11 12:50:20,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:20,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:20,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:20,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271350681] [2024-10-11 12:50:20,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271350681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:20,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:20,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:50:20,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526141632] [2024-10-11 12:50:20,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:20,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:50:20,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:20,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:50:20,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:20,766 INFO L87 Difference]: Start difference. First operand 825 states and 1347 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:20,842 INFO L93 Difference]: Finished difference Result 2441 states and 3983 transitions. [2024-10-11 12:50:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:50:20,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:20,853 INFO L225 Difference]: With dead ends: 2441 [2024-10-11 12:50:20,853 INFO L226 Difference]: Without dead ends: 1617 [2024-10-11 12:50:20,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:20,856 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 477 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:20,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1304 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:50:20,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-10-11 12:50:20,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 829. [2024-10-11 12:50:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 730 states have (on average 1.5876712328767124) internal successors, (1159), 731 states have internal predecessors, (1159), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 12:50:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1351 transitions. [2024-10-11 12:50:20,907 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1351 transitions. Word has length 467 [2024-10-11 12:50:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:20,941 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1351 transitions. [2024-10-11 12:50:20,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1351 transitions. [2024-10-11 12:50:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:20,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:20,951 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:20,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:50:20,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:20,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:20,951 INFO L85 PathProgramCache]: Analyzing trace with hash -518403316, now seen corresponding path program 1 times [2024-10-11 12:50:20,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:20,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740414376] [2024-10-11 12:50:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:21,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:21,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740414376] [2024-10-11 12:50:21,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740414376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:21,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:21,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:50:21,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364765056] [2024-10-11 12:50:21,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:21,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:50:21,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:21,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:50:21,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:21,285 INFO L87 Difference]: Start difference. First operand 829 states and 1351 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:21,381 INFO L93 Difference]: Finished difference Result 2418 states and 3936 transitions. [2024-10-11 12:50:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:50:21,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:21,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:21,387 INFO L225 Difference]: With dead ends: 2418 [2024-10-11 12:50:21,388 INFO L226 Difference]: Without dead ends: 1590 [2024-10-11 12:50:21,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:50:21,391 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 337 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:21,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1184 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:50:21,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-10-11 12:50:21,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1587. [2024-10-11 12:50:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1422 states have (on average 1.580872011251758) internal successors, (2248), 1425 states have internal predecessors, (2248), 160 states have call successors, (160), 4 states have call predecessors, (160), 4 states have return successors, (160), 157 states have call predecessors, (160), 160 states have call successors, (160) [2024-10-11 12:50:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2568 transitions. [2024-10-11 12:50:21,436 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2568 transitions. Word has length 467 [2024-10-11 12:50:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:21,437 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2568 transitions. [2024-10-11 12:50:21,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2568 transitions. [2024-10-11 12:50:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:21,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:21,442 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:21,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 12:50:21,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:21,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:21,443 INFO L85 PathProgramCache]: Analyzing trace with hash 807683344, now seen corresponding path program 1 times [2024-10-11 12:50:21,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:21,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3896133] [2024-10-11 12:50:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:21,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:22,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:22,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3896133] [2024-10-11 12:50:22,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3896133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:22,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:22,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:22,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868401946] [2024-10-11 12:50:22,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:22,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:22,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:22,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:22,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:22,634 INFO L87 Difference]: Start difference. First operand 1587 states and 2568 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:22,949 INFO L93 Difference]: Finished difference Result 4937 states and 7937 transitions. [2024-10-11 12:50:22,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:22,962 INFO L225 Difference]: With dead ends: 4937 [2024-10-11 12:50:22,962 INFO L226 Difference]: Without dead ends: 3351 [2024-10-11 12:50:22,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:22,966 INFO L432 NwaCegarLoop]: 775 mSDtfsCounter, 522 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:22,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1747 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:50:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3351 states. [2024-10-11 12:50:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3351 to 2841. [2024-10-11 12:50:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 2548 states have (on average 1.5706436420722134) internal successors, (4002), 2555 states have internal predecessors, (4002), 284 states have call successors, (284), 8 states have call predecessors, (284), 8 states have return successors, (284), 277 states have call predecessors, (284), 284 states have call successors, (284) [2024-10-11 12:50:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 4570 transitions. [2024-10-11 12:50:23,128 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 4570 transitions. Word has length 467 [2024-10-11 12:50:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:23,132 INFO L471 AbstractCegarLoop]: Abstraction has 2841 states and 4570 transitions. [2024-10-11 12:50:23,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 4570 transitions. [2024-10-11 12:50:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:23,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:23,148 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:23,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 12:50:23,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:23,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1120589358, now seen corresponding path program 1 times [2024-10-11 12:50:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653317712] [2024-10-11 12:50:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:23,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:25,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:25,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653317712] [2024-10-11 12:50:25,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653317712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:25,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:25,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 12:50:25,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834457202] [2024-10-11 12:50:25,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:25,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 12:50:25,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 12:50:25,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 12:50:25,321 INFO L87 Difference]: Start difference. First operand 2841 states and 4570 transitions. Second operand has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:28,449 INFO L93 Difference]: Finished difference Result 18349 states and 29441 transitions. [2024-10-11 12:50:28,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 12:50:28,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:28,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:28,517 INFO L225 Difference]: With dead ends: 18349 [2024-10-11 12:50:28,521 INFO L226 Difference]: Without dead ends: 15509 [2024-10-11 12:50:28,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2024-10-11 12:50:28,531 INFO L432 NwaCegarLoop]: 990 mSDtfsCounter, 2920 mSDsluCounter, 5274 mSDsCounter, 0 mSdLazyCounter, 3331 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 3584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 3331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:28,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2920 Valid, 6264 Invalid, 3584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 3331 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 12:50:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15509 states. [2024-10-11 12:50:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15509 to 11034. [2024-10-11 12:50:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11034 states, 10196 states have (on average 1.5843468026677128) internal successors, (16154), 10226 states have internal predecessors, (16154), 798 states have call successors, (798), 39 states have call predecessors, (798), 39 states have return successors, (798), 768 states have call predecessors, (798), 798 states have call successors, (798) [2024-10-11 12:50:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11034 states to 11034 states and 17750 transitions. [2024-10-11 12:50:28,883 INFO L78 Accepts]: Start accepts. Automaton has 11034 states and 17750 transitions. Word has length 467 [2024-10-11 12:50:28,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:28,883 INFO L471 AbstractCegarLoop]: Abstraction has 11034 states and 17750 transitions. [2024-10-11 12:50:28,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 11034 states and 17750 transitions. [2024-10-11 12:50:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:28,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:28,895 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 12:50:28,895 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:28,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:28,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1136108076, now seen corresponding path program 1 times [2024-10-11 12:50:28,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:28,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938738527] [2024-10-11 12:50:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938738527] [2024-10-11 12:50:30,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938738527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:30,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:30,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:50:30,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605624936] [2024-10-11 12:50:30,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:30,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:50:30,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:30,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:50:30,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:50:30,658 INFO L87 Difference]: Start difference. First operand 11034 states and 17750 transitions. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:32,156 INFO L93 Difference]: Finished difference Result 36389 states and 58383 transitions. [2024-10-11 12:50:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 12:50:32,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:32,225 INFO L225 Difference]: With dead ends: 36389 [2024-10-11 12:50:32,225 INFO L226 Difference]: Without dead ends: 25410 [2024-10-11 12:50:32,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-10-11 12:50:32,239 INFO L432 NwaCegarLoop]: 898 mSDtfsCounter, 1454 mSDsluCounter, 5326 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:32,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 6224 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 12:50:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25410 states. [2024-10-11 12:50:32,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25410 to 18840. [2024-10-11 12:50:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18840 states, 17662 states have (on average 1.5865700373683616) internal successors, (28022), 17715 states have internal predecessors, (28022), 1114 states have call successors, (1114), 63 states have call predecessors, (1114), 63 states have return successors, (1114), 1061 states have call predecessors, (1114), 1114 states have call successors, (1114) [2024-10-11 12:50:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18840 states to 18840 states and 30250 transitions. [2024-10-11 12:50:32,819 INFO L78 Accepts]: Start accepts. Automaton has 18840 states and 30250 transitions. Word has length 467 [2024-10-11 12:50:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:32,819 INFO L471 AbstractCegarLoop]: Abstraction has 18840 states and 30250 transitions. [2024-10-11 12:50:32,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 18840 states and 30250 transitions. [2024-10-11 12:50:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:32,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:32,842 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:32,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 12:50:32,843 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:32,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:32,843 INFO L85 PathProgramCache]: Analyzing trace with hash 417750672, now seen corresponding path program 1 times [2024-10-11 12:50:32,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:32,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443107660] [2024-10-11 12:50:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:32,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:33,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:33,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443107660] [2024-10-11 12:50:33,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443107660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:33,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:33,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:33,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38051324] [2024-10-11 12:50:33,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:33,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:33,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:33,430 INFO L87 Difference]: Start difference. First operand 18840 states and 30250 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:34,310 INFO L93 Difference]: Finished difference Result 49455 states and 79392 transitions. [2024-10-11 12:50:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:34,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 467 [2024-10-11 12:50:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:34,385 INFO L225 Difference]: With dead ends: 49455 [2024-10-11 12:50:34,386 INFO L226 Difference]: Without dead ends: 30670 [2024-10-11 12:50:34,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:50:34,423 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 498 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:34,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1953 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:50:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30670 states. [2024-10-11 12:50:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30670 to 30664. [2024-10-11 12:50:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30664 states, 28520 states have (on average 1.5809256661991584) internal successors, (45088), 28619 states have internal predecessors, (45088), 2028 states have call successors, (2028), 115 states have call predecessors, (2028), 115 states have return successors, (2028), 1929 states have call predecessors, (2028), 2028 states have call successors, (2028) [2024-10-11 12:50:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30664 states to 30664 states and 49144 transitions. [2024-10-11 12:50:35,617 INFO L78 Accepts]: Start accepts. Automaton has 30664 states and 49144 transitions. Word has length 467 [2024-10-11 12:50:35,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:35,617 INFO L471 AbstractCegarLoop]: Abstraction has 30664 states and 49144 transitions. [2024-10-11 12:50:35,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30664 states and 49144 transitions. [2024-10-11 12:50:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-10-11 12:50:35,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:35,648 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:35,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 12:50:35,648 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:35,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash -233366512, now seen corresponding path program 1 times [2024-10-11 12:50:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431944642] [2024-10-11 12:50:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:36,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:36,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431944642] [2024-10-11 12:50:36,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431944642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:36,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:36,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 12:50:36,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508505078] [2024-10-11 12:50:36,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:36,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 12:50:36,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:36,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 12:50:36,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:50:36,571 INFO L87 Difference]: Start difference. First operand 30664 states and 49144 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 12:50:37,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:37,745 INFO L93 Difference]: Finished difference Result 70305 states and 112608 transitions. [2024-10-11 12:50:37,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:50:37,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) Word has length 467 [2024-10-11 12:50:37,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:37,824 INFO L225 Difference]: With dead ends: 70305 [2024-10-11 12:50:37,824 INFO L226 Difference]: Without dead ends: 39696 [2024-10-11 12:50:37,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 12:50:37,873 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 1160 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:37,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1969 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 12:50:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39696 states. [2024-10-11 12:50:38,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39696 to 30664. [2024-10-11 12:50:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30664 states, 28520 states have (on average 1.5808555399719495) internal successors, (45086), 28619 states have internal predecessors, (45086), 2028 states have call successors, (2028), 115 states have call predecessors, (2028), 115 states have return successors, (2028), 1929 states have call predecessors, (2028), 2028 states have call successors, (2028) [2024-10-11 12:50:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30664 states to 30664 states and 49142 transitions. [2024-10-11 12:50:39,020 INFO L78 Accepts]: Start accepts. Automaton has 30664 states and 49142 transitions. Word has length 467 [2024-10-11 12:50:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:39,021 INFO L471 AbstractCegarLoop]: Abstraction has 30664 states and 49142 transitions. [2024-10-11 12:50:39,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 2 states have call successors, (66) [2024-10-11 12:50:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30664 states and 49142 transitions. [2024-10-11 12:50:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-11 12:50:39,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:39,060 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:39,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 12:50:39,061 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:39,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash 16184204, now seen corresponding path program 1 times [2024-10-11 12:50:39,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:39,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681656973] [2024-10-11 12:50:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:39,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:39,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:39,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681656973] [2024-10-11 12:50:39,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681656973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:39,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:39,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628047967] [2024-10-11 12:50:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:39,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:39,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:39,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:39,908 INFO L87 Difference]: Start difference. First operand 30664 states and 49142 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:40,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:40,701 INFO L93 Difference]: Finished difference Result 79818 states and 127797 transitions. [2024-10-11 12:50:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:40,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 468 [2024-10-11 12:50:40,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:40,790 INFO L225 Difference]: With dead ends: 79818 [2024-10-11 12:50:40,791 INFO L226 Difference]: Without dead ends: 49209 [2024-10-11 12:50:40,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:50:40,827 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 434 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:40,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1459 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:50:40,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49209 states. [2024-10-11 12:50:41,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49209 to 30729. [2024-10-11 12:50:41,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30729 states, 28549 states have (on average 1.5802655084241128) internal successors, (45115), 28647 states have internal predecessors, (45115), 2062 states have call successors, (2062), 117 states have call predecessors, (2062), 117 states have return successors, (2062), 1964 states have call predecessors, (2062), 2062 states have call successors, (2062) [2024-10-11 12:50:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30729 states to 30729 states and 49239 transitions. [2024-10-11 12:50:42,040 INFO L78 Accepts]: Start accepts. Automaton has 30729 states and 49239 transitions. Word has length 468 [2024-10-11 12:50:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:42,041 INFO L471 AbstractCegarLoop]: Abstraction has 30729 states and 49239 transitions. [2024-10-11 12:50:42,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30729 states and 49239 transitions. [2024-10-11 12:50:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-10-11 12:50:42,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:42,068 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:42,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 12:50:42,069 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:42,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:42,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1584886902, now seen corresponding path program 1 times [2024-10-11 12:50:42,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:42,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503983209] [2024-10-11 12:50:42,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:43,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:43,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503983209] [2024-10-11 12:50:43,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503983209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:43,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:43,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:50:43,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839221246] [2024-10-11 12:50:43,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:43,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:50:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:43,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:50:43,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:50:43,393 INFO L87 Difference]: Start difference. First operand 30729 states and 49239 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:44,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:44,500 INFO L93 Difference]: Finished difference Result 61460 states and 98391 transitions. [2024-10-11 12:50:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:50:44,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 468 [2024-10-11 12:50:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:44,556 INFO L225 Difference]: With dead ends: 61460 [2024-10-11 12:50:44,557 INFO L226 Difference]: Without dead ends: 30851 [2024-10-11 12:50:44,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:50:44,582 INFO L432 NwaCegarLoop]: 947 mSDtfsCounter, 638 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 2590 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:44,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 2590 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 12:50:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30851 states. [2024-10-11 12:50:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30851 to 25654. [2024-10-11 12:50:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25654 states, 23907 states have (on average 1.570627849583804) internal successors, (37549), 23979 states have internal predecessors, (37549), 1636 states have call successors, (1636), 110 states have call predecessors, (1636), 110 states have return successors, (1636), 1564 states have call predecessors, (1636), 1636 states have call successors, (1636) [2024-10-11 12:50:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25654 states to 25654 states and 40821 transitions. [2024-10-11 12:50:45,302 INFO L78 Accepts]: Start accepts. Automaton has 25654 states and 40821 transitions. Word has length 468 [2024-10-11 12:50:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:45,304 INFO L471 AbstractCegarLoop]: Abstraction has 25654 states and 40821 transitions. [2024-10-11 12:50:45,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 25654 states and 40821 transitions. [2024-10-11 12:50:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-11 12:50:45,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:45,321 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:45,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 12:50:45,321 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:45,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash 81525039, now seen corresponding path program 1 times [2024-10-11 12:50:45,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:45,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346076146] [2024-10-11 12:50:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:45,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:46,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:46,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346076146] [2024-10-11 12:50:46,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346076146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:46,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:46,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:46,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900649070] [2024-10-11 12:50:46,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:46,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:46,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:46,720 INFO L87 Difference]: Start difference. First operand 25654 states and 40821 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:47,736 INFO L93 Difference]: Finished difference Result 61875 states and 98213 transitions. [2024-10-11 12:50:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:47,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 469 [2024-10-11 12:50:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:47,797 INFO L225 Difference]: With dead ends: 61875 [2024-10-11 12:50:47,797 INFO L226 Difference]: Without dead ends: 34853 [2024-10-11 12:50:47,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:47,822 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 756 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:47,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1375 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:50:47,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34853 states. [2024-10-11 12:50:48,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34853 to 24006. [2024-10-11 12:50:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24006 states, 22716 states have (on average 1.5801197393907378) internal successors, (35894), 22762 states have internal predecessors, (35894), 1204 states have call successors, (1204), 85 states have call predecessors, (1204), 85 states have return successors, (1204), 1158 states have call predecessors, (1204), 1204 states have call successors, (1204) [2024-10-11 12:50:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24006 states to 24006 states and 38302 transitions. [2024-10-11 12:50:48,731 INFO L78 Accepts]: Start accepts. Automaton has 24006 states and 38302 transitions. Word has length 469 [2024-10-11 12:50:48,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:48,733 INFO L471 AbstractCegarLoop]: Abstraction has 24006 states and 38302 transitions. [2024-10-11 12:50:48,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24006 states and 38302 transitions. [2024-10-11 12:50:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-11 12:50:48,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:48,756 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:48,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 12:50:48,756 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:48,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:48,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2054915541, now seen corresponding path program 1 times [2024-10-11 12:50:48,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:48,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695962076] [2024-10-11 12:50:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:49,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:49,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695962076] [2024-10-11 12:50:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695962076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:49,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:49,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:49,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458281766] [2024-10-11 12:50:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:49,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:49,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:49,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:49,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:49,819 INFO L87 Difference]: Start difference. First operand 24006 states and 38302 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:51,211 INFO L93 Difference]: Finished difference Result 76548 states and 121738 transitions. [2024-10-11 12:50:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 469 [2024-10-11 12:50:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:51,309 INFO L225 Difference]: With dead ends: 76548 [2024-10-11 12:50:51,309 INFO L226 Difference]: Without dead ends: 52566 [2024-10-11 12:50:51,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:51,330 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 744 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:51,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1531 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:50:51,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52566 states. [2024-10-11 12:50:52,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52566 to 24162. [2024-10-11 12:50:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24162 states, 22872 states have (on average 1.5795732773697098) internal successors, (36128), 22918 states have internal predecessors, (36128), 1204 states have call successors, (1204), 85 states have call predecessors, (1204), 85 states have return successors, (1204), 1158 states have call predecessors, (1204), 1204 states have call successors, (1204) [2024-10-11 12:50:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24162 states to 24162 states and 38536 transitions. [2024-10-11 12:50:52,364 INFO L78 Accepts]: Start accepts. Automaton has 24162 states and 38536 transitions. Word has length 469 [2024-10-11 12:50:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:52,367 INFO L471 AbstractCegarLoop]: Abstraction has 24162 states and 38536 transitions. [2024-10-11 12:50:52,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24162 states and 38536 transitions. [2024-10-11 12:50:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-11 12:50:52,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:52,387 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:52,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 12:50:52,388 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:52,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1314170830, now seen corresponding path program 1 times [2024-10-11 12:50:52,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:52,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621370942] [2024-10-11 12:50:52,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:52,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:50:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:50:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:50:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:50:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:50:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:50:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:50:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:50:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:50:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:50:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:50:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:50:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:50:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:50:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:50:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:50:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 12:50:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:50:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:50:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 12:50:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:50:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 12:50:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 12:50:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 12:50:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 12:50:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 12:50:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 12:50:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 12:50:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 12:50:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 12:50:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 12:50:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 12:50:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 12:50:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 12:50:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 12:50:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 12:50:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 12:50:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 12:50:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 12:50:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 12:50:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 12:50:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 12:50:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 12:50:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 12:50:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 12:50:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 12:50:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 12:50:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 12:50:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-11 12:50:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-11 12:50:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 12:50:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-11 12:50:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-11 12:50:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 12:50:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-11 12:50:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-11 12:50:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-11 12:50:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-11 12:50:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 12:50:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-11 12:50:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-11 12:50:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-11 12:50:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 12:50:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 12:50:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 12:50:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-11 12:50:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:50:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8580 trivial. 0 not checked. [2024-10-11 12:50:53,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:50:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621370942] [2024-10-11 12:50:53,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621370942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:50:53,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:50:53,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:50:53,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357625520] [2024-10-11 12:50:53,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:50:53,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:50:53,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:50:53,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:50:53,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:50:53,766 INFO L87 Difference]: Start difference. First operand 24162 states and 38536 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:55,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:50:55,001 INFO L93 Difference]: Finished difference Result 58374 states and 92872 transitions. [2024-10-11 12:50:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:50:55,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 469 [2024-10-11 12:50:55,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:50:55,154 INFO L225 Difference]: With dead ends: 58374 [2024-10-11 12:50:55,155 INFO L226 Difference]: Without dead ends: 34344 [2024-10-11 12:50:55,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:50:55,177 INFO L432 NwaCegarLoop]: 844 mSDtfsCounter, 488 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:50:55,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1823 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:50:55,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34344 states. [2024-10-11 12:50:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34344 to 25298. [2024-10-11 12:50:55,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25298 states, 24008 states have (on average 1.5634788403865378) internal successors, (37536), 24054 states have internal predecessors, (37536), 1204 states have call successors, (1204), 85 states have call predecessors, (1204), 85 states have return successors, (1204), 1158 states have call predecessors, (1204), 1204 states have call successors, (1204) [2024-10-11 12:50:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25298 states to 25298 states and 39944 transitions. [2024-10-11 12:50:55,990 INFO L78 Accepts]: Start accepts. Automaton has 25298 states and 39944 transitions. Word has length 469 [2024-10-11 12:50:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:50:55,994 INFO L471 AbstractCegarLoop]: Abstraction has 25298 states and 39944 transitions. [2024-10-11 12:50:55,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2024-10-11 12:50:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 25298 states and 39944 transitions. [2024-10-11 12:50:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-10-11 12:50:56,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:50:56,036 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:50:56,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 12:50:56,037 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:50:56,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:50:56,041 INFO L85 PathProgramCache]: Analyzing trace with hash 416777552, now seen corresponding path program 1 times [2024-10-11 12:50:56,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:50:56,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140060834] [2024-10-11 12:50:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:50:56,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:50:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat