./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.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_amount250_file-24.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 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:04:40,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:04:40,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:04:40,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:04:40,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:04:40,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:04:40,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:04:40,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:04:40,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:04:40,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:04:40,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:04:40,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:04:40,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:04:40,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:04:40,782 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:04:40,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:04:40,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:04:40,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:04:40,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:04:40,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:04:40,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:04:40,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:04:40,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:04:40,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:04:40,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:04:40,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:04:40,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:04:40,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:04:40,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:04:40,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:04:40,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:04:40,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:04:40,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:04:40,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:04:40,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:04:40,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:04:40,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:04:40,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11fbe230916924754384b4d5f209e2f8e8933dc585a70287035d014e0032f60d [2024-10-13 05:04:40,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:04:41,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:04:41,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:04:41,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:04:41,009 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:04:41,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-10-13 05:04:42,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:04:42,400 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:04:42,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i [2024-10-13 05:04:42,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1754b08e/7d3963908efa475e834e96f5b6f75330/FLAGbe9f6f3bf [2024-10-13 05:04:42,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1754b08e/7d3963908efa475e834e96f5b6f75330 [2024-10-13 05:04:42,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:04:42,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:04:42,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:04:42,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:04:42,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:04:42,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d244b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42, skipping insertion in model container [2024-10-13 05:04:42,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:04:42,629 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-10-13 05:04:42,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:04:42,755 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:04:42,765 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-24.i[916,929] [2024-10-13 05:04:42,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:04:42,840 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:04:42,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42 WrapperNode [2024-10-13 05:04:42,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:04:42,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:04:42,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:04:42,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:04:42,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,894 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-10-13 05:04:42,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:04:42,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:04:42,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:04:42,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:04:42,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,937 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 05:04:42,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:04:42,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:04:42,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:04:42,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:04:42,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (1/1) ... [2024-10-13 05:04:42,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:04:42,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:04:43,010 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 05:04:43,012 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 05:04:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:04:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:04:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:04:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:04:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:04:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:04:43,145 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:04:43,146 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:04:43,807 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-10-13 05:04:43,808 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:04:43,838 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:04:43,840 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:04:43,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:04:43 BoogieIcfgContainer [2024-10-13 05:04:43,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:04:43,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:04:43,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:04:43,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:04:43,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:04:42" (1/3) ... [2024-10-13 05:04:43,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53065c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:04:43, skipping insertion in model container [2024-10-13 05:04:43,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:04:42" (2/3) ... [2024-10-13 05:04:43,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53065c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:04:43, skipping insertion in model container [2024-10-13 05:04:43,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:04:43" (3/3) ... [2024-10-13 05:04:43,848 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-24.i [2024-10-13 05:04:43,861 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:04:43,861 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:04:43,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:04:43,926 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;@657b428f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:04:43,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:04:43,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 130 states have internal predecessors, (199), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 05:04:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-10-13 05:04:43,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:43,949 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:43,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:43,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash 924624024, now seen corresponding path program 1 times [2024-10-13 05:04:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:43,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212198632] [2024-10-13 05:04:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:04:44,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:44,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212198632] [2024-10-13 05:04:44,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212198632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:04:44,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:04:44,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:04:44,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397517355] [2024-10-13 05:04:44,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:04:44,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:04:44,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:44,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:04:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:04:44,881 INFO L87 Difference]: Start difference. First operand has 176 states, 129 states have (on average 1.5426356589147288) internal successors, (199), 130 states have internal predecessors, (199), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:45,171 INFO L93 Difference]: Finished difference Result 523 states and 948 transitions. [2024-10-13 05:04:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:04:45,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 294 [2024-10-13 05:04:45,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:45,182 INFO L225 Difference]: With dead ends: 523 [2024-10-13 05:04:45,183 INFO L226 Difference]: Without dead ends: 348 [2024-10-13 05:04:45,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:04:45,188 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 215 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:45,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 815 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:04:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-10-13 05:04:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 258. [2024-10-13 05:04:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 167 states have (on average 1.4251497005988023) internal successors, (238), 167 states have internal predecessors, (238), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-13 05:04:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 414 transitions. [2024-10-13 05:04:45,264 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 414 transitions. Word has length 294 [2024-10-13 05:04:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:45,265 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 414 transitions. [2024-10-13 05:04:45,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 414 transitions. [2024-10-13 05:04:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-13 05:04:45,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:45,270 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:45,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:04:45,270 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:45,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1827950389, now seen corresponding path program 1 times [2024-10-13 05:04:45,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:45,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000478283] [2024-10-13 05:04:45,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:45,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:04:45,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:45,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000478283] [2024-10-13 05:04:45,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000478283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:04:45,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:04:45,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:04:45,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349601882] [2024-10-13 05:04:45,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:04:45,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:04:45,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:04:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:04:45,515 INFO L87 Difference]: Start difference. First operand 258 states and 414 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:45,622 INFO L93 Difference]: Finished difference Result 588 states and 946 transitions. [2024-10-13 05:04:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:04:45,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 295 [2024-10-13 05:04:45,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:45,630 INFO L225 Difference]: With dead ends: 588 [2024-10-13 05:04:45,632 INFO L226 Difference]: Without dead ends: 415 [2024-10-13 05:04:45,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 05:04:45,635 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 248 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:45,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 663 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:04:45,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-13 05:04:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 313. [2024-10-13 05:04:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 222 states have (on average 1.445945945945946) internal successors, (321), 222 states have internal predecessors, (321), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-13 05:04:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 497 transitions. [2024-10-13 05:04:45,690 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 497 transitions. Word has length 295 [2024-10-13 05:04:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:45,692 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 497 transitions. [2024-10-13 05:04:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 497 transitions. [2024-10-13 05:04:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-10-13 05:04:45,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:45,697 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:45,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:04:45,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:45,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:45,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1376994235, now seen corresponding path program 1 times [2024-10-13 05:04:45,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:45,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618928944] [2024-10-13 05:04:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:45,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:04:45,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:45,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618928944] [2024-10-13 05:04:45,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618928944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:04:45,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:04:45,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:04:45,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994161724] [2024-10-13 05:04:45,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:04:45,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:04:45,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:45,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:04:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:04:45,923 INFO L87 Difference]: Start difference. First operand 313 states and 497 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:46,026 INFO L93 Difference]: Finished difference Result 643 states and 1019 transitions. [2024-10-13 05:04:46,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:04:46,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 295 [2024-10-13 05:04:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:46,030 INFO L225 Difference]: With dead ends: 643 [2024-10-13 05:04:46,033 INFO L226 Difference]: Without dead ends: 415 [2024-10-13 05:04:46,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 05:04:46,034 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 244 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:46,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 491 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:04:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-13 05:04:46,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 313. [2024-10-13 05:04:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 222 states have (on average 1.4009009009009008) internal successors, (311), 222 states have internal predecessors, (311), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-13 05:04:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 487 transitions. [2024-10-13 05:04:46,060 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 487 transitions. Word has length 295 [2024-10-13 05:04:46,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:46,061 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 487 transitions. [2024-10-13 05:04:46,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 487 transitions. [2024-10-13 05:04:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-13 05:04:46,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:46,064 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:46,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:04:46,064 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:46,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:46,065 INFO L85 PathProgramCache]: Analyzing trace with hash 288087566, now seen corresponding path program 1 times [2024-10-13 05:04:46,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:46,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765965250] [2024-10-13 05:04:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:46,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:04:46,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:46,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765965250] [2024-10-13 05:04:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765965250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:04:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:04:46,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:04:46,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675445066] [2024-10-13 05:04:46,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:04:46,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:04:46,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:04:46,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:04:46,407 INFO L87 Difference]: Start difference. First operand 313 states and 487 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:46,463 INFO L93 Difference]: Finished difference Result 770 states and 1196 transitions. [2024-10-13 05:04:46,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:04:46,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 296 [2024-10-13 05:04:46,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:46,467 INFO L225 Difference]: With dead ends: 770 [2024-10-13 05:04:46,467 INFO L226 Difference]: Without dead ends: 542 [2024-10-13 05:04:46,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 05:04:46,470 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 186 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:46,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 526 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:04:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-13 05:04:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 538. [2024-10-13 05:04:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 402 states have (on average 1.4203980099502487) internal successors, (571), 402 states have internal predecessors, (571), 132 states have call successors, (132), 3 states have call predecessors, (132), 3 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-13 05:04:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 835 transitions. [2024-10-13 05:04:46,512 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 835 transitions. Word has length 296 [2024-10-13 05:04:46,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:46,513 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 835 transitions. [2024-10-13 05:04:46,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:04:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 835 transitions. [2024-10-13 05:04:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-13 05:04:46,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:46,518 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:46,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:04:46,519 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:46,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash 215701008, now seen corresponding path program 1 times [2024-10-13 05:04:46,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:46,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700107367] [2024-10-13 05:04:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:04:47,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:47,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700107367] [2024-10-13 05:04:47,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700107367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:04:47,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:04:47,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:04:47,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457332331] [2024-10-13 05:04:47,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:04:47,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:04:47,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:47,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:04:47,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:04:47,556 INFO L87 Difference]: Start difference. First operand 538 states and 835 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 05:04:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:47,812 INFO L93 Difference]: Finished difference Result 1442 states and 2237 transitions. [2024-10-13 05:04:47,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:04:47,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 296 [2024-10-13 05:04:47,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:47,818 INFO L225 Difference]: With dead ends: 1442 [2024-10-13 05:04:47,818 INFO L226 Difference]: Without dead ends: 990 [2024-10-13 05:04:47,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:04:47,822 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 359 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:47,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 696 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 05:04:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-10-13 05:04:47,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 986. [2024-10-13 05:04:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 760 states have (on average 1.4276315789473684) internal successors, (1085), 760 states have internal predecessors, (1085), 220 states have call successors, (220), 5 states have call predecessors, (220), 5 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-10-13 05:04:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1525 transitions. [2024-10-13 05:04:47,870 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1525 transitions. Word has length 296 [2024-10-13 05:04:47,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:47,871 INFO L471 AbstractCegarLoop]: Abstraction has 986 states and 1525 transitions. [2024-10-13 05:04:47,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 05:04:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1525 transitions. [2024-10-13 05:04:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-13 05:04:47,875 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:47,875 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:47,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:04:47,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:47,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:47,876 INFO L85 PathProgramCache]: Analyzing trace with hash 356249618, now seen corresponding path program 1 times [2024-10-13 05:04:47,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:47,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119500418] [2024-10-13 05:04:47,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:47,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 05:04:48,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:48,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119500418] [2024-10-13 05:04:48,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119500418] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:04:48,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773009063] [2024-10-13 05:04:48,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:48,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:04:48,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:04:48,681 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 05:04:48,682 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 05:04:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:48,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 05:04:48,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:04:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1629 proven. 90 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2024-10-13 05:04:49,549 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:04:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 39 proven. 90 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 05:04:49,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773009063] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:04:49,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:04:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2024-10-13 05:04:49,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181576971] [2024-10-13 05:04:49,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:04:49,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 05:04:49,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:04:49,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 05:04:49,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-13 05:04:49,846 INFO L87 Difference]: Start difference. First operand 986 states and 1525 transitions. Second operand has 15 states, 15 states have (on average 10.666666666666666) internal successors, (160), 15 states have internal predecessors, (160), 5 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 5 states have call successors, (132) [2024-10-13 05:04:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:04:50,653 INFO L93 Difference]: Finished difference Result 2814 states and 4315 transitions. [2024-10-13 05:04:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 05:04:50,654 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.666666666666666) internal successors, (160), 15 states have internal predecessors, (160), 5 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 5 states have call successors, (132) Word has length 296 [2024-10-13 05:04:50,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:04:50,662 INFO L225 Difference]: With dead ends: 2814 [2024-10-13 05:04:50,663 INFO L226 Difference]: Without dead ends: 1914 [2024-10-13 05:04:50,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2024-10-13 05:04:50,665 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1023 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 05:04:50,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 1531 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 05:04:50,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2024-10-13 05:04:50,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1002. [2024-10-13 05:04:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 775 states have (on average 1.4296774193548387) internal successors, (1108), 775 states have internal predecessors, (1108), 220 states have call successors, (220), 6 states have call predecessors, (220), 6 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-10-13 05:04:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1548 transitions. [2024-10-13 05:04:50,762 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1548 transitions. Word has length 296 [2024-10-13 05:04:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:04:50,764 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1548 transitions. [2024-10-13 05:04:50,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.666666666666666) internal successors, (160), 15 states have internal predecessors, (160), 5 states have call successors, (132), 3 states have call predecessors, (132), 6 states have return successors, (132), 5 states have call predecessors, (132), 5 states have call successors, (132) [2024-10-13 05:04:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1548 transitions. [2024-10-13 05:04:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-13 05:04:50,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:04:50,768 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:50,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 05:04:50,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 05:04:50,969 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:04:50,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:04:50,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1489117548, now seen corresponding path program 1 times [2024-10-13 05:04:50,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:04:50,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191690295] [2024-10-13 05:04:50,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:50,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:04:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:04:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:04:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:04:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:04:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:04:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:04:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:04:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:04:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:04:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:04:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:04:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:04:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:04:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:04:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:04:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:04:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:04:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:04:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:04:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:04:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:04:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:04:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:04:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:04:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:04:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:04:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:04:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:04:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:04:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:04:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:04:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:04:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:04:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:04:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:04:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:04:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:04:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:04:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:04:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:04:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:04:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:04:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:04:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:04:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 90 proven. 39 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 05:04:51,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:04:51,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191690295] [2024-10-13 05:04:51,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191690295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:04:51,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838995314] [2024-10-13 05:04:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:04:51,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:04:51,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:04:51,842 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 05:04:51,843 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 05:04:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:04:52,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-13 05:04:52,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:04:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2564 proven. 456 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2024-10-13 05:04:55,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:06:00,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838995314] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:06:00,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 05:06:00,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 21] total 29 [2024-10-13 05:06:00,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165662463] [2024-10-13 05:06:00,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 05:06:00,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-13 05:06:00,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:00,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-13 05:06:00,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=1667, Unknown=0, NotChecked=0, Total=2162 [2024-10-13 05:06:00,271 INFO L87 Difference]: Start difference. First operand 1002 states and 1548 transitions. Second operand has 29 states, 29 states have (on average 5.0) internal successors, (145), 27 states have internal predecessors, (145), 10 states have call successors, (88), 8 states have call predecessors, (88), 11 states have return successors, (88), 9 states have call predecessors, (88), 10 states have call successors, (88) [2024-10-13 05:06:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:02,692 INFO L93 Difference]: Finished difference Result 2976 states and 4534 transitions. [2024-10-13 05:06:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-13 05:06:02,693 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.0) internal successors, (145), 27 states have internal predecessors, (145), 10 states have call successors, (88), 8 states have call predecessors, (88), 11 states have return successors, (88), 9 states have call predecessors, (88), 10 states have call successors, (88) Word has length 296 [2024-10-13 05:06:02,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:02,701 INFO L225 Difference]: With dead ends: 2976 [2024-10-13 05:06:02,701 INFO L226 Difference]: Without dead ends: 2072 [2024-10-13 05:06:02,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1518, Invalid=4182, Unknown=0, NotChecked=0, Total=5700 [2024-10-13 05:06:02,705 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 1823 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 05:06:02,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2168 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 05:06:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2024-10-13 05:06:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1436. [2024-10-13 05:06:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1202 states have (on average 1.4417637271214643) internal successors, (1733), 1202 states have internal predecessors, (1733), 220 states have call successors, (220), 13 states have call predecessors, (220), 13 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-10-13 05:06:02,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2173 transitions. [2024-10-13 05:06:02,772 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2173 transitions. Word has length 296 [2024-10-13 05:06:02,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:02,773 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2173 transitions. [2024-10-13 05:06:02,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.0) internal successors, (145), 27 states have internal predecessors, (145), 10 states have call successors, (88), 8 states have call predecessors, (88), 11 states have return successors, (88), 9 states have call predecessors, (88), 10 states have call successors, (88) [2024-10-13 05:06:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2173 transitions. [2024-10-13 05:06:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-10-13 05:06:02,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:02,777 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:02,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 05:06:02,977 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,SelfDestructingSolverStorable6 [2024-10-13 05:06:02,978 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:02,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1183571425, now seen corresponding path program 1 times [2024-10-13 05:06:02,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:02,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696563516] [2024-10-13 05:06:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:06:03,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:03,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696563516] [2024-10-13 05:06:03,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696563516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:06:03,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:06:03,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:06:03,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329653268] [2024-10-13 05:06:03,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:06:03,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:06:03,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:06:03,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:06:03,232 INFO L87 Difference]: Start difference. First operand 1436 states and 2173 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:03,279 INFO L93 Difference]: Finished difference Result 2676 states and 4080 transitions. [2024-10-13 05:06:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:06:03,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 296 [2024-10-13 05:06:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:03,285 INFO L225 Difference]: With dead ends: 2676 [2024-10-13 05:06:03,285 INFO L226 Difference]: Without dead ends: 1652 [2024-10-13 05:06:03,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 05:06:03,288 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 58 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 522 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 05:06:03,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 522 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:06:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-10-13 05:06:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1436. [2024-10-13 05:06:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1436 states, 1202 states have (on average 1.435108153078203) internal successors, (1725), 1202 states have internal predecessors, (1725), 220 states have call successors, (220), 13 states have call predecessors, (220), 13 states have return successors, (220), 220 states have call predecessors, (220), 220 states have call successors, (220) [2024-10-13 05:06:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2165 transitions. [2024-10-13 05:06:03,348 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2165 transitions. Word has length 296 [2024-10-13 05:06:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:03,348 INFO L471 AbstractCegarLoop]: Abstraction has 1436 states and 2165 transitions. [2024-10-13 05:06:03,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2165 transitions. [2024-10-13 05:06:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-10-13 05:06:03,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:03,351 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:03,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 05:06:03,352 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:03,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:03,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1962343075, now seen corresponding path program 1 times [2024-10-13 05:06:03,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:03,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195185445] [2024-10-13 05:06:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:03,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:06:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195185445] [2024-10-13 05:06:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195185445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:06:03,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:06:03,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:06:03,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699064037] [2024-10-13 05:06:03,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:06:03,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:06:03,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:03,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:06:03,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:06:03,940 INFO L87 Difference]: Start difference. First operand 1436 states and 2165 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:04,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:04,302 INFO L93 Difference]: Finished difference Result 3090 states and 4684 transitions. [2024-10-13 05:06:04,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:06:04,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 297 [2024-10-13 05:06:04,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:04,311 INFO L225 Difference]: With dead ends: 3090 [2024-10-13 05:06:04,311 INFO L226 Difference]: Without dead ends: 2046 [2024-10-13 05:06:04,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:06:04,314 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 89 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:06:04,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1035 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:06:04,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2024-10-13 05:06:04,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1792. [2024-10-13 05:06:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1533 states have (on average 1.4324853228962817) internal successors, (2196), 1537 states have internal predecessors, (2196), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 236 states have call predecessors, (240), 240 states have call successors, (240) [2024-10-13 05:06:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2676 transitions. [2024-10-13 05:06:04,378 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2676 transitions. Word has length 297 [2024-10-13 05:06:04,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:04,378 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2676 transitions. [2024-10-13 05:06:04,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2676 transitions. [2024-10-13 05:06:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-10-13 05:06:04,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:04,381 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:04,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 05:06:04,381 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:04,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash -986250679, now seen corresponding path program 1 times [2024-10-13 05:06:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554282605] [2024-10-13 05:06:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:06:05,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554282605] [2024-10-13 05:06:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554282605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:06:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:06:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:06:05,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223308684] [2024-10-13 05:06:05,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:06:05,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:06:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:06:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:06:05,074 INFO L87 Difference]: Start difference. First operand 1792 states and 2676 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:05,566 INFO L93 Difference]: Finished difference Result 4366 states and 6479 transitions. [2024-10-13 05:06:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:06:05,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 297 [2024-10-13 05:06:05,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:05,578 INFO L225 Difference]: With dead ends: 4366 [2024-10-13 05:06:05,578 INFO L226 Difference]: Without dead ends: 3086 [2024-10-13 05:06:05,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 05:06:05,582 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 485 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:06:05,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1089 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 05:06:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2024-10-13 05:06:05,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 1792. [2024-10-13 05:06:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1533 states have (on average 1.431180691454664) internal successors, (2194), 1537 states have internal predecessors, (2194), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 236 states have call predecessors, (240), 240 states have call successors, (240) [2024-10-13 05:06:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2674 transitions. [2024-10-13 05:06:05,666 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2674 transitions. Word has length 297 [2024-10-13 05:06:05,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:05,666 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2674 transitions. [2024-10-13 05:06:05,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 05:06:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2674 transitions. [2024-10-13 05:06:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-10-13 05:06:05,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:05,669 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:05,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 05:06:05,669 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:05,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:05,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1883643957, now seen corresponding path program 1 times [2024-10-13 05:06:05,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:05,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512440508] [2024-10-13 05:06:05,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:05,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 05:06:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512440508] [2024-10-13 05:06:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512440508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:06:06,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:06:06,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 05:06:06,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181138402] [2024-10-13 05:06:06,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:06:06,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:06:06,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:06,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:06:06,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:06:06,815 INFO L87 Difference]: Start difference. First operand 1792 states and 2674 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 05:06:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:07,522 INFO L93 Difference]: Finished difference Result 4358 states and 6467 transitions. [2024-10-13 05:06:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:06:07,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 297 [2024-10-13 05:06:07,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:07,532 INFO L225 Difference]: With dead ends: 4358 [2024-10-13 05:06:07,532 INFO L226 Difference]: Without dead ends: 3086 [2024-10-13 05:06:07,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 05:06:07,536 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 519 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:06:07,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1379 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:06:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2024-10-13 05:06:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 1784. [2024-10-13 05:06:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1525 states have (on average 1.4321311475409837) internal successors, (2184), 1529 states have internal predecessors, (2184), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 236 states have call predecessors, (240), 240 states have call successors, (240) [2024-10-13 05:06:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2664 transitions. [2024-10-13 05:06:07,618 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2664 transitions. Word has length 297 [2024-10-13 05:06:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:07,618 INFO L471 AbstractCegarLoop]: Abstraction has 1784 states and 2664 transitions. [2024-10-13 05:06:07,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 05:06:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2664 transitions. [2024-10-13 05:06:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-10-13 05:06:07,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:07,621 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:07,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 05:06:07,621 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:07,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:07,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1513081478, now seen corresponding path program 1 times [2024-10-13 05:06:07,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:07,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586908177] [2024-10-13 05:06:07,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:07,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 99 proven. 30 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 05:06:08,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586908177] [2024-10-13 05:06:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586908177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:06:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37521583] [2024-10-13 05:06:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:08,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:06:08,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:06:08,141 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 05:06:08,142 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 05:06:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:08,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 05:06:08,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:06:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1429 proven. 30 refuted. 0 times theorem prover too weak. 2325 trivial. 0 not checked. [2024-10-13 05:06:08,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:06:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 99 proven. 30 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-13 05:06:08,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37521583] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:06:08,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:06:08,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-13 05:06:08,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606959433] [2024-10-13 05:06:08,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:06:08,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 05:06:08,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:06:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 05:06:08,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 05:06:08,737 INFO L87 Difference]: Start difference. First operand 1784 states and 2664 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-13 05:06:09,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:06:09,159 INFO L93 Difference]: Finished difference Result 2834 states and 4217 transitions. [2024-10-13 05:06:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 05:06:09,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 298 [2024-10-13 05:06:09,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:06:09,166 INFO L225 Difference]: With dead ends: 2834 [2024-10-13 05:06:09,166 INFO L226 Difference]: Without dead ends: 1248 [2024-10-13 05:06:09,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 680 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-13 05:06:09,169 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 670 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:06:09,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 460 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:06:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-10-13 05:06:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1218. [2024-10-13 05:06:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 954 states have (on average 1.3605870020964361) internal successors, (1298), 958 states have internal predecessors, (1298), 240 states have call successors, (240), 23 states have call predecessors, (240), 23 states have return successors, (240), 236 states have call predecessors, (240), 240 states have call successors, (240) [2024-10-13 05:06:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1778 transitions. [2024-10-13 05:06:09,235 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1778 transitions. Word has length 298 [2024-10-13 05:06:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:06:09,236 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1778 transitions. [2024-10-13 05:06:09,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-10-13 05:06:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1778 transitions. [2024-10-13 05:06:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-10-13 05:06:09,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:06:09,238 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:09,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 05:06:09,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:06:09,439 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:06:09,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:06:09,439 INFO L85 PathProgramCache]: Analyzing trace with hash 190488051, now seen corresponding path program 1 times [2024-10-13 05:06:09,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:06:09,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649993818] [2024-10-13 05:06:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:06:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:06:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:06:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:06:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:06:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 05:06:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 05:06:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:06:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:06:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:06:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:06:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:06:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:06:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:06:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 05:06:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:06:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 05:06:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:06:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 05:06:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 05:06:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 05:06:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 05:06:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 05:06:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-13 05:06:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 05:06:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 05:06:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:06:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:06:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 05:06:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:06:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:06:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:06:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:06:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:06:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:06:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:06:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 05:06:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 05:06:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 05:06:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 05:06:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 05:06:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 05:06:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 05:06:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 05:06:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 05:06:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 81 proven. 171 refuted. 0 times theorem prover too weak. 3532 trivial. 0 not checked. [2024-10-13 05:06:12,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:06:12,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649993818] [2024-10-13 05:06:12,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649993818] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:06:12,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316046727] [2024-10-13 05:06:12,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:06:12,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:06:12,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:06:12,257 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 05:06:12,258 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 05:06:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:06:12,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 05:06:12,507 INFO L278 TraceCheckSpWp]: Computing forward predicates...