./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_amount100_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cada0c85d469bf843d2b88bb91f13bf498b21137f0d387bee03f08915f85ad4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:54:49,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:54:49,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:54:49,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:54:49,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:54:49,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:54:49,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:54:49,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:54:49,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:54:49,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:54:49,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:54:49,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:54:49,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:54:49,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:54:49,944 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:54:49,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:54:49,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:54:49,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:54:49,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:54:49,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:54:49,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:54:49,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:54:49,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:54:49,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:54:49,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:54:49,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:54:49,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:54:49,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:54:49,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:54:49,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:54:49,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:54:49,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:54:49,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:54:49,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:54:49,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:54:49,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:54:49,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:54:49,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:54:49,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:54:49,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:54:49,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:54:49,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:54:49,955 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cada0c85d469bf843d2b88bb91f13bf498b21137f0d387bee03f08915f85ad4 [2024-10-13 04:54:50,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:54:50,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:54:50,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:54:50,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:54:50,237 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:54:50,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i [2024-10-13 04:54:51,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:54:51,902 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:54:51,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-68.i [2024-10-13 04:54:51,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82315079b/bc9d4eb7a7d84358a3356cb6809c2ff0/FLAG6d55c8dc9 [2024-10-13 04:54:51,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82315079b/bc9d4eb7a7d84358a3356cb6809c2ff0 [2024-10-13 04:54:51,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:54:51,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:54:51,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:54:51,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:54:51,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:54:51,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:54:51" (1/1) ... [2024-10-13 04:54:51,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cff1a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:51, skipping insertion in model container [2024-10-13 04:54:51,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:54:51" (1/1) ... [2024-10-13 04:54:51,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:54:52,134 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_amount100_file-68.i[916,929] [2024-10-13 04:54:52,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:54:52,252 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:54:52,264 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_amount100_file-68.i[916,929] [2024-10-13 04:54:52,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:54:52,333 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:54:52,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52 WrapperNode [2024-10-13 04:54:52,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:54:52,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:54:52,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:54:52,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:54:52,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,415 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2024-10-13 04:54:52,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:54:52,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:54:52,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:54:52,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:54:52,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,484 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]. [2024-10-13 04:54:52,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:54:52,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:54:52,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:54:52,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:54:52,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (1/1) ... [2024-10-13 04:54:52,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:54:52,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:54:52,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:54:52,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:54:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:54:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:54:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:54:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:54:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:54:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:54:52,732 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:54:52,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:54:53,491 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-10-13 04:54:53,491 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:54:53,528 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:54:53,528 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:54:53,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:54:53 BoogieIcfgContainer [2024-10-13 04:54:53,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:54:53,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:54:53,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:54:53,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:54:53,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:54:51" (1/3) ... [2024-10-13 04:54:53,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9f2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:54:53, skipping insertion in model container [2024-10-13 04:54:53,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:54:52" (2/3) ... [2024-10-13 04:54:53,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c9f2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:54:53, skipping insertion in model container [2024-10-13 04:54:53,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:54:53" (3/3) ... [2024-10-13 04:54:53,538 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-68.i [2024-10-13 04:54:53,556 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:54:53,556 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:54:53,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:54:53,635 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;@2c2d1d3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:54:53,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:54:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 114 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:54:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 04:54:53,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:54:53,655 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:54:53,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:54:53,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:54:53,660 INFO L85 PathProgramCache]: Analyzing trace with hash -540950304, now seen corresponding path program 1 times [2024-10-13 04:54:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:54:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690593604] [2024-10-13 04:54:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:54:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:54:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:54:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:54:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:54:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:54:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:54:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:54:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:54:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:54:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:54:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:54:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:54:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:54:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:54:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:54:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:54:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:54:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:54:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:54:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:54:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:54:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:54:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:54:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:54:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:54:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:54:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:54:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:54:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:54:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:54:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:54:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:54:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:54:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:54:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:54:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:54:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:54:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:54:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:54:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:54:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:54:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:54:54,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:54:54,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690593604] [2024-10-13 04:54:54,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690593604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:54:54,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:54:54,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:54:54,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230756900] [2024-10-13 04:54:54,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:54:54,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:54:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:54:54,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:54:54,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:54:54,463 INFO L87 Difference]: Start difference. First operand has 156 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 114 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:54:54,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:54:54,530 INFO L93 Difference]: Finished difference Result 309 states and 534 transitions. [2024-10-13 04:54:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:54:54,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 264 [2024-10-13 04:54:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:54:54,545 INFO L225 Difference]: With dead ends: 309 [2024-10-13 04:54:54,547 INFO L226 Difference]: Without dead ends: 154 [2024-10-13 04:54:54,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:54:54,559 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:54:54,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:54:54,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-13 04:54:54,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-13 04:54:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 112 states have (on average 1.4553571428571428) internal successors, (163), 112 states have internal predecessors, (163), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:54:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2024-10-13 04:54:54,621 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 264 [2024-10-13 04:54:54,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:54:54,625 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2024-10-13 04:54:54,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:54:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2024-10-13 04:54:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 04:54:54,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:54:54,638 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:54:54,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:54:54,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:54:54,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:54:54,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1635989732, now seen corresponding path program 1 times [2024-10-13 04:54:54,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:54:54,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208314076] [2024-10-13 04:54:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:54:54,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:54:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:54:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:54:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:54:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:54:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:54:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:54:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:54:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:54:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:54:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:54:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:54:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:54:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:54:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:54:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:54:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:54:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:54:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:54:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:54:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:54:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:54:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:54:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:54:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:54:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:54:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:54:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:54:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:54:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:54:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:54:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:54:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:54:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:54:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:54:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:54:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:54:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:54:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:54:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:54:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:54:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:54:55,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:54:55,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208314076] [2024-10-13 04:54:55,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208314076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:54:55,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:54:55,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:54:55,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093561291] [2024-10-13 04:54:55,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:54:55,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:54:55,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:54:55,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:54:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:54:55,204 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:54:55,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:54:55,260 INFO L93 Difference]: Finished difference Result 307 states and 485 transitions. [2024-10-13 04:54:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:54:55,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 264 [2024-10-13 04:54:55,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:54:55,268 INFO L225 Difference]: With dead ends: 307 [2024-10-13 04:54:55,270 INFO L226 Difference]: Without dead ends: 154 [2024-10-13 04:54:55,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:54:55,274 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:54:55,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 473 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:54:55,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-13 04:54:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-13 04:54:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 112 states have internal predecessors, (162), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 04:54:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 242 transitions. [2024-10-13 04:54:55,301 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 242 transitions. Word has length 264 [2024-10-13 04:54:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:54:55,303 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 242 transitions. [2024-10-13 04:54:55,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:54:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2024-10-13 04:54:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 04:54:55,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:54:55,308 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:54:55,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 04:54:55,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:54:55,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:54:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash 414994266, now seen corresponding path program 1 times [2024-10-13 04:54:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:54:55,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789603178] [2024-10-13 04:54:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:54:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:54:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:54:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:54:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:54:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:54:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:54:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:54:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:54:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:54:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:54:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:54:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:54:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:54:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:54:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:54:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:54:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:54:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:54:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:54:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:54:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:54:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:54:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:54:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:54:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:54:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:54:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:54:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:54:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:54:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:54:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:54:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:54:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:54:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:54:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:54:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:54:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:54:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:54:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:54:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:54:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:54:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:54:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:54:58,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:54:58,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789603178] [2024-10-13 04:54:58,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789603178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:54:58,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:54:58,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 04:54:58,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139137745] [2024-10-13 04:54:58,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:54:58,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 04:54:58,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:54:58,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 04:54:58,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-13 04:54:58,718 INFO L87 Difference]: Start difference. First operand 154 states and 242 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:54:59,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:54:59,743 INFO L93 Difference]: Finished difference Result 463 states and 719 transitions. [2024-10-13 04:54:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 04:54:59,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 264 [2024-10-13 04:54:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:54:59,749 INFO L225 Difference]: With dead ends: 463 [2024-10-13 04:54:59,751 INFO L226 Difference]: Without dead ends: 310 [2024-10-13 04:54:59,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:54:59,754 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 783 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 04:54:59,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 478 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 04:54:59,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-13 04:54:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 287. [2024-10-13 04:54:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 241 states have (on average 1.4937759336099585) internal successors, (360), 242 states have internal predecessors, (360), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 04:54:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 446 transitions. [2024-10-13 04:54:59,783 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 446 transitions. Word has length 264 [2024-10-13 04:54:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:54:59,784 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 446 transitions. [2024-10-13 04:54:59,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:54:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 446 transitions. [2024-10-13 04:54:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-10-13 04:54:59,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:54:59,789 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:54:59,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 04:54:59,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:54:59,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:54:59,789 INFO L85 PathProgramCache]: Analyzing trace with hash -596122984, now seen corresponding path program 1 times [2024-10-13 04:54:59,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:54:59,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536027182] [2024-10-13 04:54:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:54:59,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:54:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:00,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:00,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536027182] [2024-10-13 04:55:00,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536027182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:00,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188359091] [2024-10-13 04:55:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:00,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:00,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:00,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:00,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 04:55:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:00,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 04:55:00,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-10-13 04:55:01,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-10-13 04:55:02,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188359091] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:02,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:02,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-10-13 04:55:02,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784671478] [2024-10-13 04:55:02,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:02,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 04:55:02,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 04:55:02,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-13 04:55:02,116 INFO L87 Difference]: Start difference. First operand 287 states and 446 transitions. Second operand has 15 states, 15 states have (on average 9.0) internal successors, (135), 15 states have internal predecessors, (135), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-13 04:55:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:02,822 INFO L93 Difference]: Finished difference Result 538 states and 828 transitions. [2024-10-13 04:55:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 04:55:02,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.0) internal successors, (135), 15 states have internal predecessors, (135), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 264 [2024-10-13 04:55:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:02,827 INFO L225 Difference]: With dead ends: 538 [2024-10-13 04:55:02,828 INFO L226 Difference]: Without dead ends: 252 [2024-10-13 04:55:02,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-10-13 04:55:02,830 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 646 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:02,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 459 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:55:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-13 04:55:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-10-13 04:55:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 201 states have (on average 1.373134328358209) internal successors, (276), 202 states have internal predecessors, (276), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-13 04:55:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 362 transitions. [2024-10-13 04:55:02,878 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 362 transitions. Word has length 264 [2024-10-13 04:55:02,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:02,879 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 362 transitions. [2024-10-13 04:55:02,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.0) internal successors, (135), 15 states have internal predecessors, (135), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-10-13 04:55:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 362 transitions. [2024-10-13 04:55:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 04:55:02,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:02,883 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:02,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 04:55:03,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:03,088 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:03,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:03,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1284973686, now seen corresponding path program 1 times [2024-10-13 04:55:03,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:03,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651754424] [2024-10-13 04:55:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:03,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:06,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:06,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651754424] [2024-10-13 04:55:06,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651754424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:06,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:06,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-13 04:55:06,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174362216] [2024-10-13 04:55:06,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:06,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 04:55:06,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:06,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 04:55:06,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-10-13 04:55:06,340 INFO L87 Difference]: Start difference. First operand 250 states and 362 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:55:08,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:08,840 INFO L93 Difference]: Finished difference Result 1001 states and 1426 transitions. [2024-10-13 04:55:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 04:55:08,841 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 266 [2024-10-13 04:55:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:08,847 INFO L225 Difference]: With dead ends: 1001 [2024-10-13 04:55:08,847 INFO L226 Difference]: Without dead ends: 752 [2024-10-13 04:55:08,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2024-10-13 04:55:08,849 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 2299 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2299 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:08,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2299 Valid, 1000 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 04:55:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-10-13 04:55:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 555. [2024-10-13 04:55:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 468 states have (on average 1.3952991452991452) internal successors, (653), 471 states have internal predecessors, (653), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 04:55:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 805 transitions. [2024-10-13 04:55:08,902 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 805 transitions. Word has length 266 [2024-10-13 04:55:08,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:08,905 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 805 transitions. [2024-10-13 04:55:08,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-10-13 04:55:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 805 transitions. [2024-10-13 04:55:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 04:55:08,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:08,908 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:08,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 04:55:08,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:08,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash 273856436, now seen corresponding path program 1 times [2024-10-13 04:55:08,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:08,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347175012] [2024-10-13 04:55:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:11,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:11,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347175012] [2024-10-13 04:55:11,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347175012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:11,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:11,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 04:55:11,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005131169] [2024-10-13 04:55:11,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:11,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 04:55:11,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:11,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 04:55:11,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 04:55:11,775 INFO L87 Difference]: Start difference. First operand 555 states and 805 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:13,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:13,470 INFO L93 Difference]: Finished difference Result 1423 states and 2037 transitions. [2024-10-13 04:55:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:55:13,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 266 [2024-10-13 04:55:13,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:13,478 INFO L225 Difference]: With dead ends: 1423 [2024-10-13 04:55:13,478 INFO L226 Difference]: Without dead ends: 869 [2024-10-13 04:55:13,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-10-13 04:55:13,482 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1200 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:13,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 817 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 04:55:13,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-10-13 04:55:13,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 572. [2024-10-13 04:55:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 485 states have (on average 1.3958762886597937) internal successors, (677), 488 states have internal predecessors, (677), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 04:55:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 829 transitions. [2024-10-13 04:55:13,528 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 829 transitions. Word has length 266 [2024-10-13 04:55:13,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:13,530 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 829 transitions. [2024-10-13 04:55:13,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 829 transitions. [2024-10-13 04:55:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 04:55:13,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:13,534 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:13,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 04:55:13,535 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:13,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:13,535 INFO L85 PathProgramCache]: Analyzing trace with hash 467325236, now seen corresponding path program 1 times [2024-10-13 04:55:13,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:13,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084904316] [2024-10-13 04:55:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:13,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:15,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:15,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084904316] [2024-10-13 04:55:15,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084904316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:15,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:15,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 04:55:15,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495159014] [2024-10-13 04:55:15,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:15,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 04:55:15,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 04:55:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-13 04:55:15,253 INFO L87 Difference]: Start difference. First operand 572 states and 829 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:16,004 INFO L93 Difference]: Finished difference Result 1301 states and 1873 transitions. [2024-10-13 04:55:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 04:55:16,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 266 [2024-10-13 04:55:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:16,009 INFO L225 Difference]: With dead ends: 1301 [2024-10-13 04:55:16,009 INFO L226 Difference]: Without dead ends: 730 [2024-10-13 04:55:16,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-13 04:55:16,012 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 707 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:16,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 472 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:55:16,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-10-13 04:55:16,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 593. [2024-10-13 04:55:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 506 states have (on average 1.4031620553359683) internal successors, (710), 509 states have internal predecessors, (710), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 04:55:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 862 transitions. [2024-10-13 04:55:16,049 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 862 transitions. Word has length 266 [2024-10-13 04:55:16,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:16,050 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 862 transitions. [2024-10-13 04:55:16,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 862 transitions. [2024-10-13 04:55:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 04:55:16,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:16,052 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:16,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 04:55:16,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:16,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -543792014, now seen corresponding path program 1 times [2024-10-13 04:55:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:16,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982010272] [2024-10-13 04:55:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:16,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:16,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982010272] [2024-10-13 04:55:16,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982010272] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:16,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527365845] [2024-10-13 04:55:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:16,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:16,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:16,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:16,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 04:55:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:16,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 04:55:16,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 521 proven. 306 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2024-10-13 04:55:17,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:18,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527365845] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:18,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:18,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 8] total 21 [2024-10-13 04:55:18,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635242520] [2024-10-13 04:55:18,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:18,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-13 04:55:18,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:18,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-13 04:55:18,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-13 04:55:18,853 INFO L87 Difference]: Start difference. First operand 593 states and 862 transitions. Second operand has 21 states, 21 states have (on average 8.476190476190476) internal successors, (178), 20 states have internal predecessors, (178), 5 states have call successors, (112), 3 states have call predecessors, (112), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-13 04:55:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:21,160 INFO L93 Difference]: Finished difference Result 1679 states and 2386 transitions. [2024-10-13 04:55:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-13 04:55:21,161 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.476190476190476) internal successors, (178), 20 states have internal predecessors, (178), 5 states have call successors, (112), 3 states have call predecessors, (112), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) Word has length 266 [2024-10-13 04:55:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:21,169 INFO L225 Difference]: With dead ends: 1679 [2024-10-13 04:55:21,171 INFO L226 Difference]: Without dead ends: 1087 [2024-10-13 04:55:21,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=909, Invalid=3123, Unknown=0, NotChecked=0, Total=4032 [2024-10-13 04:55:21,175 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1229 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:21,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 1522 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 04:55:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-10-13 04:55:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 436. [2024-10-13 04:55:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 352 states have (on average 1.3863636363636365) internal successors, (488), 353 states have internal predecessors, (488), 70 states have call successors, (70), 13 states have call predecessors, (70), 13 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 04:55:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 628 transitions. [2024-10-13 04:55:21,246 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 628 transitions. Word has length 266 [2024-10-13 04:55:21,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:21,247 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 628 transitions. [2024-10-13 04:55:21,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.476190476190476) internal successors, (178), 20 states have internal predecessors, (178), 5 states have call successors, (112), 3 states have call predecessors, (112), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-13 04:55:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 628 transitions. [2024-10-13 04:55:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 04:55:21,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:21,250 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:21,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 04:55:21,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-13 04:55:21,455 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:21,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:21,456 INFO L85 PathProgramCache]: Analyzing trace with hash -43159003, now seen corresponding path program 1 times [2024-10-13 04:55:21,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:21,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094094972] [2024-10-13 04:55:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094094972] [2024-10-13 04:55:21,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094094972] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824881004] [2024-10-13 04:55:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:21,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:21,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:21,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 04:55:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:22,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 04:55:22,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1327 proven. 33 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-10-13 04:55:22,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:22,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824881004] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:22,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:22,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-10-13 04:55:22,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811424534] [2024-10-13 04:55:22,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:22,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 04:55:22,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:22,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 04:55:22,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:55:22,573 INFO L87 Difference]: Start difference. First operand 436 states and 628 transitions. Second operand has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 5 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 5 states have call predecessors, (92), 5 states have call successors, (92) [2024-10-13 04:55:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:23,450 INFO L93 Difference]: Finished difference Result 905 states and 1293 transitions. [2024-10-13 04:55:23,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 04:55:23,451 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 5 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 5 states have call predecessors, (92), 5 states have call successors, (92) Word has length 267 [2024-10-13 04:55:23,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:23,455 INFO L225 Difference]: With dead ends: 905 [2024-10-13 04:55:23,455 INFO L226 Difference]: Without dead ends: 470 [2024-10-13 04:55:23,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-10-13 04:55:23,457 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 919 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:23,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 402 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:55:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-13 04:55:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 456. [2024-10-13 04:55:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 368 states have (on average 1.358695652173913) internal successors, (500), 369 states have internal predecessors, (500), 70 states have call successors, (70), 17 states have call predecessors, (70), 17 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 04:55:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 640 transitions. [2024-10-13 04:55:23,520 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 640 transitions. Word has length 267 [2024-10-13 04:55:23,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:23,521 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 640 transitions. [2024-10-13 04:55:23,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.285714285714286) internal successors, (144), 14 states have internal predecessors, (144), 5 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 5 states have call predecessors, (92), 5 states have call successors, (92) [2024-10-13 04:55:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 640 transitions. [2024-10-13 04:55:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:55:23,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:23,523 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:23,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 04:55:23,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:23,724 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:23,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1199673388, now seen corresponding path program 1 times [2024-10-13 04:55:23,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:23,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484479838] [2024-10-13 04:55:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:23,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:24,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:24,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484479838] [2024-10-13 04:55:24,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484479838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:24,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:24,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 04:55:24,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486288082] [2024-10-13 04:55:24,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:24,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 04:55:24,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:24,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 04:55:24,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:55:24,654 INFO L87 Difference]: Start difference. First operand 456 states and 640 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-10-13 04:55:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:25,187 INFO L93 Difference]: Finished difference Result 1141 states and 1612 transitions. [2024-10-13 04:55:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 04:55:25,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 268 [2024-10-13 04:55:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:25,192 INFO L225 Difference]: With dead ends: 1141 [2024-10-13 04:55:25,192 INFO L226 Difference]: Without dead ends: 686 [2024-10-13 04:55:25,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:55:25,193 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 587 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:25,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 701 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 04:55:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-10-13 04:55:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 504. [2024-10-13 04:55:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 416 states have (on average 1.3894230769230769) internal successors, (578), 417 states have internal predecessors, (578), 70 states have call successors, (70), 17 states have call predecessors, (70), 17 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 04:55:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 718 transitions. [2024-10-13 04:55:25,242 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 718 transitions. Word has length 268 [2024-10-13 04:55:25,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:25,243 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 718 transitions. [2024-10-13 04:55:25,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-10-13 04:55:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 718 transitions. [2024-10-13 04:55:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:55:25,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:25,246 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:25,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 04:55:25,246 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:25,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:25,247 INFO L85 PathProgramCache]: Analyzing trace with hash 188556138, now seen corresponding path program 1 times [2024-10-13 04:55:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:25,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165248765] [2024-10-13 04:55:25,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:26,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:26,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165248765] [2024-10-13 04:55:26,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165248765] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:26,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119396779] [2024-10-13 04:55:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:26,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:26,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:26,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:26,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 04:55:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:26,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 04:55:26,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-10-13 04:55:26,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:26,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119396779] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:26,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:26,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 17 [2024-10-13 04:55:26,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152346801] [2024-10-13 04:55:26,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:26,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 04:55:26,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:26,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 04:55:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-10-13 04:55:26,983 INFO L87 Difference]: Start difference. First operand 504 states and 718 transitions. Second operand has 17 states, 17 states have (on average 9.588235294117647) internal successors, (163), 17 states have internal predecessors, (163), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2024-10-13 04:55:29,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:29,128 INFO L93 Difference]: Finished difference Result 1445 states and 2012 transitions. [2024-10-13 04:55:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-13 04:55:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.588235294117647) internal successors, (163), 17 states have internal predecessors, (163), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) Word has length 268 [2024-10-13 04:55:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:29,134 INFO L225 Difference]: With dead ends: 1445 [2024-10-13 04:55:29,134 INFO L226 Difference]: Without dead ends: 942 [2024-10-13 04:55:29,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 621 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=779, Invalid=2761, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 04:55:29,138 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1717 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:29,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 1158 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 04:55:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-10-13 04:55:29,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 853. [2024-10-13 04:55:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 695 states have (on average 1.3453237410071943) internal successors, (935), 699 states have internal predecessors, (935), 122 states have call successors, (122), 35 states have call predecessors, (122), 35 states have return successors, (122), 118 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-13 04:55:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1179 transitions. [2024-10-13 04:55:29,232 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1179 transitions. Word has length 268 [2024-10-13 04:55:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:29,233 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1179 transitions. [2024-10-13 04:55:29,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.588235294117647) internal successors, (163), 17 states have internal predecessors, (163), 4 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2024-10-13 04:55:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1179 transitions. [2024-10-13 04:55:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:55:29,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:29,237 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:29,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 04:55:29,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:29,438 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:29,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash 772035476, now seen corresponding path program 1 times [2024-10-13 04:55:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:29,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020096561] [2024-10-13 04:55:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:29,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:29,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020096561] [2024-10-13 04:55:29,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020096561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:29,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:29,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 04:55:29,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356447493] [2024-10-13 04:55:29,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:29,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 04:55:29,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:29,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 04:55:29,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:55:29,906 INFO L87 Difference]: Start difference. First operand 853 states and 1179 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:30,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:30,295 INFO L93 Difference]: Finished difference Result 2269 states and 3161 transitions. [2024-10-13 04:55:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 04:55:30,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 268 [2024-10-13 04:55:30,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:30,305 INFO L225 Difference]: With dead ends: 2269 [2024-10-13 04:55:30,305 INFO L226 Difference]: Without dead ends: 1492 [2024-10-13 04:55:30,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:55:30,308 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 248 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:30,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 647 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 04:55:30,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2024-10-13 04:55:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1457. [2024-10-13 04:55:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1196 states have (on average 1.3469899665551839) internal successors, (1611), 1202 states have internal predecessors, (1611), 203 states have call successors, (203), 57 states have call predecessors, (203), 57 states have return successors, (203), 197 states have call predecessors, (203), 203 states have call successors, (203) [2024-10-13 04:55:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2017 transitions. [2024-10-13 04:55:30,470 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2017 transitions. Word has length 268 [2024-10-13 04:55:30,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:30,471 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2017 transitions. [2024-10-13 04:55:30,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2017 transitions. [2024-10-13 04:55:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:55:30,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:30,475 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:30,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 04:55:30,475 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:30,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1458333211, now seen corresponding path program 1 times [2024-10-13 04:55:30,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:30,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362992409] [2024-10-13 04:55:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:30,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:31,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:31,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362992409] [2024-10-13 04:55:31,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362992409] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:31,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701010984] [2024-10-13 04:55:31,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:31,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:31,033 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:31,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 04:55:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:31,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 04:55:31,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-10-13 04:55:31,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:31,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701010984] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:31,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:31,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-13 04:55:31,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151065360] [2024-10-13 04:55:31,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:31,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 04:55:31,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 04:55:31,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:55:31,754 INFO L87 Difference]: Start difference. First operand 1457 states and 2017 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-10-13 04:55:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:32,387 INFO L93 Difference]: Finished difference Result 4349 states and 5974 transitions. [2024-10-13 04:55:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 04:55:32,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 268 [2024-10-13 04:55:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:32,402 INFO L225 Difference]: With dead ends: 4349 [2024-10-13 04:55:32,402 INFO L226 Difference]: Without dead ends: 2968 [2024-10-13 04:55:32,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 611 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-10-13 04:55:32,407 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 751 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:32,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 647 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 04:55:32,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2024-10-13 04:55:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2798. [2024-10-13 04:55:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2310 states have (on average 1.3372294372294373) internal successors, (3089), 2321 states have internal predecessors, (3089), 370 states have call successors, (370), 117 states have call predecessors, (370), 117 states have return successors, (370), 359 states have call predecessors, (370), 370 states have call successors, (370) [2024-10-13 04:55:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3829 transitions. [2024-10-13 04:55:32,721 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3829 transitions. Word has length 268 [2024-10-13 04:55:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:32,722 INFO L471 AbstractCegarLoop]: Abstraction has 2798 states and 3829 transitions. [2024-10-13 04:55:32,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-10-13 04:55:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3829 transitions. [2024-10-13 04:55:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 04:55:32,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:32,726 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:32,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 04:55:32,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 04:55:32,927 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:32,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 447215961, now seen corresponding path program 1 times [2024-10-13 04:55:32,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625721430] [2024-10-13 04:55:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:32,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 147 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-10-13 04:55:33,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:33,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625721430] [2024-10-13 04:55:33,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625721430] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:33,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53315893] [2024-10-13 04:55:33,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:33,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:33,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:33,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 04:55:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:33,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-13 04:55:33,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1583 proven. 288 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2024-10-13 04:55:35,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 120 proven. 222 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-13 04:55:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53315893] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:35,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 14] total 35 [2024-10-13 04:55:35,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927827033] [2024-10-13 04:55:35,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:35,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-13 04:55:35,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:35,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-13 04:55:35,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=965, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 04:55:35,933 INFO L87 Difference]: Start difference. First operand 2798 states and 3829 transitions. Second operand has 35 states, 34 states have (on average 5.352941176470588) internal successors, (182), 32 states have internal predecessors, (182), 10 states have call successors, (95), 5 states have call predecessors, (95), 10 states have return successors, (97), 10 states have call predecessors, (97), 10 states have call successors, (97) [2024-10-13 04:55:38,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:38,940 INFO L93 Difference]: Finished difference Result 4560 states and 6156 transitions. [2024-10-13 04:55:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-13 04:55:38,941 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 5.352941176470588) internal successors, (182), 32 states have internal predecessors, (182), 10 states have call successors, (95), 5 states have call predecessors, (95), 10 states have return successors, (97), 10 states have call predecessors, (97), 10 states have call successors, (97) Word has length 268 [2024-10-13 04:55:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:38,953 INFO L225 Difference]: With dead ends: 4560 [2024-10-13 04:55:38,954 INFO L226 Difference]: Without dead ends: 3030 [2024-10-13 04:55:38,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2061 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1623, Invalid=5859, Unknown=0, NotChecked=0, Total=7482 [2024-10-13 04:55:38,960 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 795 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:38,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 1468 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 04:55:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2024-10-13 04:55:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2661. [2024-10-13 04:55:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2182 states have (on average 1.3217231897341888) internal successors, (2884), 2191 states have internal predecessors, (2884), 344 states have call successors, (344), 134 states have call predecessors, (344), 134 states have return successors, (344), 335 states have call predecessors, (344), 344 states have call successors, (344) [2024-10-13 04:55:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3572 transitions. [2024-10-13 04:55:39,300 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3572 transitions. Word has length 268 [2024-10-13 04:55:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:39,301 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3572 transitions. [2024-10-13 04:55:39,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 5.352941176470588) internal successors, (182), 32 states have internal predecessors, (182), 10 states have call successors, (95), 5 states have call predecessors, (95), 10 states have return successors, (97), 10 states have call predecessors, (97), 10 states have call successors, (97) [2024-10-13 04:55:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3572 transitions. [2024-10-13 04:55:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-10-13 04:55:39,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:39,305 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:39,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 04:55:39,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:39,507 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:39,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:39,508 INFO L85 PathProgramCache]: Analyzing trace with hash -715223446, now seen corresponding path program 1 times [2024-10-13 04:55:39,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:39,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898892888] [2024-10-13 04:55:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:39,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:40,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:40,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898892888] [2024-10-13 04:55:40,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898892888] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:40,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10297270] [2024-10-13 04:55:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:40,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:40,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:40,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 04:55:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:40,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 04:55:40,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-10-13 04:55:40,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-10-13 04:55:41,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10297270] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:41,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:41,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-10-13 04:55:41,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042896669] [2024-10-13 04:55:41,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:41,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 04:55:41,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:41,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 04:55:41,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-13 04:55:41,091 INFO L87 Difference]: Start difference. First operand 2661 states and 3572 transitions. Second operand has 13 states, 13 states have (on average 13.846153846153847) internal successors, (180), 13 states have internal predecessors, (180), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-13 04:55:41,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:41,959 INFO L93 Difference]: Finished difference Result 5334 states and 7163 transitions. [2024-10-13 04:55:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 04:55:41,960 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.846153846153847) internal successors, (180), 13 states have internal predecessors, (180), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) Word has length 269 [2024-10-13 04:55:41,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:41,971 INFO L225 Difference]: With dead ends: 5334 [2024-10-13 04:55:41,971 INFO L226 Difference]: Without dead ends: 2765 [2024-10-13 04:55:41,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-10-13 04:55:41,975 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 274 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:41,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1109 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:55:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2024-10-13 04:55:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2598. [2024-10-13 04:55:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 2119 states have (on average 1.3076923076923077) internal successors, (2771), 2128 states have internal predecessors, (2771), 344 states have call successors, (344), 134 states have call predecessors, (344), 134 states have return successors, (344), 335 states have call predecessors, (344), 344 states have call successors, (344) [2024-10-13 04:55:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3459 transitions. [2024-10-13 04:55:42,367 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3459 transitions. Word has length 269 [2024-10-13 04:55:42,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:42,368 INFO L471 AbstractCegarLoop]: Abstraction has 2598 states and 3459 transitions. [2024-10-13 04:55:42,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.846153846153847) internal successors, (180), 13 states have internal predecessors, (180), 5 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-13 04:55:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3459 transitions. [2024-10-13 04:55:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-13 04:55:42,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:42,373 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:42,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 04:55:42,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:42,574 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:42,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:42,575 INFO L85 PathProgramCache]: Analyzing trace with hash -555045073, now seen corresponding path program 1 times [2024-10-13 04:55:42,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:42,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127392519] [2024-10-13 04:55:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:42,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 126 proven. 207 refuted. 0 times theorem prover too weak. 2787 trivial. 0 not checked. [2024-10-13 04:55:45,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127392519] [2024-10-13 04:55:45,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127392519] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:45,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232910726] [2024-10-13 04:55:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:45,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:45,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:45,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 04:55:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:45,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 04:55:45,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1952 proven. 270 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-10-13 04:55:46,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-13 04:55:47,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232910726] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:47,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:47,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 36 [2024-10-13 04:55:47,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102554686] [2024-10-13 04:55:47,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:47,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-13 04:55:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:47,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-13 04:55:47,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1039, Unknown=0, NotChecked=0, Total=1260 [2024-10-13 04:55:47,007 INFO L87 Difference]: Start difference. First operand 2598 states and 3459 transitions. Second operand has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 34 states have internal predecessors, (178), 12 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 12 states have call predecessors, (110), 12 states have call successors, (110) [2024-10-13 04:55:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:51,974 INFO L93 Difference]: Finished difference Result 7454 states and 9878 transitions. [2024-10-13 04:55:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-10-13 04:55:51,976 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 34 states have internal predecessors, (178), 12 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 12 states have call predecessors, (110), 12 states have call successors, (110) Word has length 270 [2024-10-13 04:55:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:51,997 INFO L225 Difference]: With dead ends: 7454 [2024-10-13 04:55:51,997 INFO L226 Difference]: Without dead ends: 4948 [2024-10-13 04:55:52,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2368 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2290, Invalid=7022, Unknown=0, NotChecked=0, Total=9312 [2024-10-13 04:55:52,007 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 3851 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 4201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:52,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 2104 Invalid, 4201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 04:55:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2024-10-13 04:55:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 1821. [2024-10-13 04:55:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1542 states have (on average 1.3281452658884565) internal successors, (2048), 1544 states have internal predecessors, (2048), 192 states have call successors, (192), 86 states have call predecessors, (192), 86 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-13 04:55:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2432 transitions. [2024-10-13 04:55:52,293 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2432 transitions. Word has length 270 [2024-10-13 04:55:52,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:52,293 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2432 transitions. [2024-10-13 04:55:52,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.085714285714285) internal successors, (178), 34 states have internal predecessors, (178), 12 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (110), 12 states have call predecessors, (110), 12 states have call successors, (110) [2024-10-13 04:55:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2432 transitions. [2024-10-13 04:55:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-10-13 04:55:52,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:52,296 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:52,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 04:55:52,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 04:55:52,497 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:52,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash 745336118, now seen corresponding path program 1 times [2024-10-13 04:55:52,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:52,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803417336] [2024-10-13 04:55:52,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:52,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 150 proven. 78 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-10-13 04:55:53,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:53,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803417336] [2024-10-13 04:55:53,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803417336] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:55:53,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040742941] [2024-10-13 04:55:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:53,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:55:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:55:53,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:55:53,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 04:55:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:53,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 04:55:53,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:55:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-10-13 04:55:53,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:55:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-10-13 04:55:54,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040742941] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:55:54,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:55:54,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 12] total 24 [2024-10-13 04:55:54,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773497867] [2024-10-13 04:55:54,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:55:54,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-13 04:55:54,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:54,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-13 04:55:54,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-10-13 04:55:54,023 INFO L87 Difference]: Start difference. First operand 1821 states and 2432 transitions. Second operand has 24 states, 23 states have (on average 7.217391304347826) internal successors, (166), 22 states have internal predecessors, (166), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) [2024-10-13 04:55:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:55,600 INFO L93 Difference]: Finished difference Result 5541 states and 7350 transitions. [2024-10-13 04:55:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-13 04:55:55,601 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.217391304347826) internal successors, (166), 22 states have internal predecessors, (166), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) Word has length 270 [2024-10-13 04:55:55,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:55,622 INFO L225 Difference]: With dead ends: 5541 [2024-10-13 04:55:55,623 INFO L226 Difference]: Without dead ends: 3721 [2024-10-13 04:55:55,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 610 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=850, Invalid=2230, Unknown=0, NotChecked=0, Total=3080 [2024-10-13 04:55:55,629 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 995 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:55,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 1002 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:55:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2024-10-13 04:55:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 1829. [2024-10-13 04:55:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1538 states have (on average 1.3094928478543564) internal successors, (2014), 1540 states have internal predecessors, (2014), 192 states have call successors, (192), 98 states have call predecessors, (192), 98 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-13 04:55:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2398 transitions. [2024-10-13 04:55:55,974 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2398 transitions. Word has length 270 [2024-10-13 04:55:55,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:55,974 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2398 transitions. [2024-10-13 04:55:55,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.217391304347826) internal successors, (166), 22 states have internal predecessors, (166), 8 states have call successors, (82), 4 states have call predecessors, (82), 9 states have return successors, (83), 8 states have call predecessors, (83), 8 states have call successors, (83) [2024-10-13 04:55:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2398 transitions. [2024-10-13 04:55:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-10-13 04:55:55,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:55,977 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:55,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 04:55:56,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 04:55:56,178 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:56,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:56,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1681842403, now seen corresponding path program 1 times [2024-10-13 04:55:56,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:56,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574280566] [2024-10-13 04:55:56,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:56,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:56,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:56,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574280566] [2024-10-13 04:55:56,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574280566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:56,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:56,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 04:55:56,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535184435] [2024-10-13 04:55:56,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:56,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 04:55:56,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:56,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 04:55:56,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:55:56,650 INFO L87 Difference]: Start difference. First operand 1829 states and 2398 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:55:57,042 INFO L93 Difference]: Finished difference Result 4125 states and 5380 transitions. [2024-10-13 04:55:57,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 04:55:57,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-10-13 04:55:57,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:55:57,050 INFO L225 Difference]: With dead ends: 4125 [2024-10-13 04:55:57,051 INFO L226 Difference]: Without dead ends: 2297 [2024-10-13 04:55:57,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:55:57,054 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 163 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 04:55:57,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 535 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 04:55:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2024-10-13 04:55:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 1559. [2024-10-13 04:55:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1268 states have (on average 1.2689274447949528) internal successors, (1609), 1270 states have internal predecessors, (1609), 192 states have call successors, (192), 98 states have call predecessors, (192), 98 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-13 04:55:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 1993 transitions. [2024-10-13 04:55:57,322 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 1993 transitions. Word has length 271 [2024-10-13 04:55:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:55:57,323 INFO L471 AbstractCegarLoop]: Abstraction has 1559 states and 1993 transitions. [2024-10-13 04:55:57,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-13 04:55:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1993 transitions. [2024-10-13 04:55:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-13 04:55:57,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:55:57,326 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:55:57,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 04:55:57,326 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:55:57,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:55:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash -575119490, now seen corresponding path program 1 times [2024-10-13 04:55:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:55:57,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698979405] [2024-10-13 04:55:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:55:57,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:55:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:55:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 04:55:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 04:55:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 04:55:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 04:55:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 04:55:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 04:55:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 04:55:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 04:55:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 04:55:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 04:55:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 04:55:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 04:55:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 04:55:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:55:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:55:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:55:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:55:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:55:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:55:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:55:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:55:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:55:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:55:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:55:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 04:55:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:55:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 04:55:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:55:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 04:55:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:55:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 04:55:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 04:55:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 04:55:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 04:55:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 04:55:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 04:55:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-13 04:55:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 04:55:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-13 04:55:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:55:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-10-13 04:55:57,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:55:57,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698979405] [2024-10-13 04:55:57,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698979405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:55:57,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:55:57,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 04:55:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169388062] [2024-10-13 04:55:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:55:57,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 04:55:57,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:55:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 04:55:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:55:57,616 INFO L87 Difference]: Start difference. First operand 1559 states and 1993 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)