./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-56.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-56.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 de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:08:07,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:08:07,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:08:07,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:08:07,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:08:07,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:08:07,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:08:07,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:08:07,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:08:07,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:08:07,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:08:07,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:08:07,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:08:07,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:08:07,889 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:08:07,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:08:07,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:08:07,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:08:07,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:08:07,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:08:07,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:08:07,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:08:07,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:08:07,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:08:07,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:08:07,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:08:07,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:08:07,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:08:07,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:08:07,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:08:07,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:08:07,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:08:07,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:08:07,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:08:07,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:08:07,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:08:07,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:08:07,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:08:07,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:08:07,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:08:07,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:08:07,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:08:07,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 [2024-10-13 05:08:08,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:08:08,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:08:08,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:08:08,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:08:08,203 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:08:08,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2024-10-13 05:08:09,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:08:09,895 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:08:09,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2024-10-13 05:08:09,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ad5258a/4b6fa3078dd94a91a329c844b7beef05/FLAGd5126fcbc [2024-10-13 05:08:09,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ad5258a/4b6fa3078dd94a91a329c844b7beef05 [2024-10-13 05:08:09,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:08:09,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:08:09,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:08:09,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:08:09,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:08:09,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:08:09" (1/1) ... [2024-10-13 05:08:09,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9164fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:09, skipping insertion in model container [2024-10-13 05:08:09,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:08:09" (1/1) ... [2024-10-13 05:08:09,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:08:10,144 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-56.i[916,929] [2024-10-13 05:08:10,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:08:10,333 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:08:10,348 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-56.i[916,929] [2024-10-13 05:08:10,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:08:10,461 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:08:10,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10 WrapperNode [2024-10-13 05:08:10,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:08:10,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:08:10,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:08:10,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:08:10,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,542 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 370 [2024-10-13 05:08:10,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:08:10,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:08:10,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:08:10,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:08:10,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,618 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 05:08:10,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:08:10,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:08:10,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:08:10,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:08:10,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (1/1) ... [2024-10-13 05:08:10,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:08:10,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:08:10,724 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 05:08:10,730 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 05:08:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:08:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:08:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:08:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:08:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:08:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:08:10,892 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:08:10,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:08:11,651 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-13 05:08:11,652 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:08:11,714 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:08:11,715 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:08:11,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:11 BoogieIcfgContainer [2024-10-13 05:08:11,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:08:11,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:08:11,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:08:11,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:08:11,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:08:09" (1/3) ... [2024-10-13 05:08:11,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4737b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:08:11, skipping insertion in model container [2024-10-13 05:08:11,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:08:10" (2/3) ... [2024-10-13 05:08:11,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4737b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:08:11, skipping insertion in model container [2024-10-13 05:08:11,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:08:11" (3/3) ... [2024-10-13 05:08:11,728 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-56.i [2024-10-13 05:08:11,748 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:08:11,748 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:08:11,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:08:11,835 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;@49c8354e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:08:11,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:08:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 98 states have (on average 1.510204081632653) internal successors, (148), 99 states have internal predecessors, (148), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:08:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-10-13 05:08:11,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:11,869 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:11,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:11,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:11,877 INFO L85 PathProgramCache]: Analyzing trace with hash 54460279, now seen corresponding path program 1 times [2024-10-13 05:08:11,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:11,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352795273] [2024-10-13 05:08:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:11,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:12,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:12,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352795273] [2024-10-13 05:08:12,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352795273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:12,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:12,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:08:12,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877687865] [2024-10-13 05:08:12,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:12,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:08:12,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:12,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:08:12,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:08:12,798 INFO L87 Difference]: Start difference. First operand has 151 states, 98 states have (on average 1.510204081632653) internal successors, (148), 99 states have internal predecessors, (148), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:08:12,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:12,911 INFO L93 Difference]: Finished difference Result 296 states and 538 transitions. [2024-10-13 05:08:12,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:08:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 320 [2024-10-13 05:08:12,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:12,940 INFO L225 Difference]: With dead ends: 296 [2024-10-13 05:08:12,941 INFO L226 Difference]: Without dead ends: 146 [2024-10-13 05:08:12,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:08:12,955 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:12,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:08:12,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-13 05:08:13,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-10-13 05:08:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 94 states have (on average 1.446808510638298) internal successors, (136), 94 states have internal predecessors, (136), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:08:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 236 transitions. [2024-10-13 05:08:13,070 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 236 transitions. Word has length 320 [2024-10-13 05:08:13,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:13,071 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 236 transitions. [2024-10-13 05:08:13,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:08:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 236 transitions. [2024-10-13 05:08:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-10-13 05:08:13,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:13,082 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:13,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:08:13,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:13,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:13,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1833814173, now seen corresponding path program 1 times [2024-10-13 05:08:13,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:13,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444390987] [2024-10-13 05:08:13,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:13,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:13,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444390987] [2024-10-13 05:08:13,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444390987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:13,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:13,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:08:13,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672739533] [2024-10-13 05:08:13,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:13,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:08:13,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:08:13,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:08:13,546 INFO L87 Difference]: Start difference. First operand 146 states and 236 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:13,699 INFO L93 Difference]: Finished difference Result 430 states and 695 transitions. [2024-10-13 05:08:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:08:13,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 320 [2024-10-13 05:08:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:13,706 INFO L225 Difference]: With dead ends: 430 [2024-10-13 05:08:13,708 INFO L226 Difference]: Without dead ends: 285 [2024-10-13 05:08:13,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 05:08:13,711 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 215 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:13,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 611 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:08:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-10-13 05:08:13,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 186. [2024-10-13 05:08:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 134 states have (on average 1.5) internal successors, (201), 134 states have internal predecessors, (201), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:08:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 301 transitions. [2024-10-13 05:08:13,739 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 301 transitions. Word has length 320 [2024-10-13 05:08:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:13,741 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 301 transitions. [2024-10-13 05:08:13,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 301 transitions. [2024-10-13 05:08:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-10-13 05:08:13,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:13,747 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:13,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:08:13,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:13,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1617147621, now seen corresponding path program 1 times [2024-10-13 05:08:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:13,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117785550] [2024-10-13 05:08:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:13,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:14,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117785550] [2024-10-13 05:08:14,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117785550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:14,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:14,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:08:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47189120] [2024-10-13 05:08:14,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:14,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:08:14,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:14,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:08:14,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:08:14,190 INFO L87 Difference]: Start difference. First operand 186 states and 301 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:14,267 INFO L93 Difference]: Finished difference Result 552 states and 893 transitions. [2024-10-13 05:08:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:08:14,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 320 [2024-10-13 05:08:14,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:14,276 INFO L225 Difference]: With dead ends: 552 [2024-10-13 05:08:14,276 INFO L226 Difference]: Without dead ends: 367 [2024-10-13 05:08:14,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 05:08:14,279 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 210 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:14,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 442 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:08:14,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-13 05:08:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 243. [2024-10-13 05:08:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 191 states have (on average 1.5287958115183247) internal successors, (292), 191 states have internal predecessors, (292), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 05:08:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 392 transitions. [2024-10-13 05:08:14,314 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 392 transitions. Word has length 320 [2024-10-13 05:08:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:14,315 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 392 transitions. [2024-10-13 05:08:14,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 392 transitions. [2024-10-13 05:08:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-13 05:08:14,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:14,322 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:14,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:08:14,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:14,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:14,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1781456114, now seen corresponding path program 1 times [2024-10-13 05:08:14,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:14,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714983210] [2024-10-13 05:08:14,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714983210] [2024-10-13 05:08:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714983210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:08:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619810385] [2024-10-13 05:08:15,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:15,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:08:15,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:15,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:08:15,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:08:15,983 INFO L87 Difference]: Start difference. First operand 243 states and 392 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:16,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:16,501 INFO L93 Difference]: Finished difference Result 780 states and 1249 transitions. [2024-10-13 05:08:16,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:08:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 321 [2024-10-13 05:08:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:16,508 INFO L225 Difference]: With dead ends: 780 [2024-10-13 05:08:16,508 INFO L226 Difference]: Without dead ends: 538 [2024-10-13 05:08:16,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:08:16,514 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 451 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:16,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 700 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:08:16,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-13 05:08:16,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 459. [2024-10-13 05:08:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 370 states have (on average 1.527027027027027) internal successors, (565), 371 states have internal predecessors, (565), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 05:08:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 737 transitions. [2024-10-13 05:08:16,553 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 737 transitions. Word has length 321 [2024-10-13 05:08:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:16,554 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 737 transitions. [2024-10-13 05:08:16,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 737 transitions. [2024-10-13 05:08:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-13 05:08:16,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:16,559 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:16,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:08:16,559 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:16,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash -462527184, now seen corresponding path program 1 times [2024-10-13 05:08:16,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:16,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130317231] [2024-10-13 05:08:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:18,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130317231] [2024-10-13 05:08:18,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130317231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:18,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:18,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 05:08:18,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017276424] [2024-10-13 05:08:18,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:18,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:08:18,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:18,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:08:18,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:08:18,474 INFO L87 Difference]: Start difference. First operand 459 states and 737 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:23,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 05:08:27,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 05:08:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:28,150 INFO L93 Difference]: Finished difference Result 2016 states and 3232 transitions. [2024-10-13 05:08:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 05:08:28,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 321 [2024-10-13 05:08:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:28,163 INFO L225 Difference]: With dead ends: 2016 [2024-10-13 05:08:28,164 INFO L226 Difference]: Without dead ends: 1558 [2024-10-13 05:08:28,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 05:08:28,167 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 597 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:28,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 1404 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 751 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-10-13 05:08:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2024-10-13 05:08:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1540. [2024-10-13 05:08:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1187 states have (on average 1.5054759898904801) internal successors, (1787), 1191 states have internal predecessors, (1787), 344 states have call successors, (344), 8 states have call predecessors, (344), 8 states have return successors, (344), 340 states have call predecessors, (344), 344 states have call successors, (344) [2024-10-13 05:08:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2475 transitions. [2024-10-13 05:08:28,371 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2475 transitions. Word has length 321 [2024-10-13 05:08:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:28,373 INFO L471 AbstractCegarLoop]: Abstraction has 1540 states and 2475 transitions. [2024-10-13 05:08:28,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2475 transitions. [2024-10-13 05:08:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-13 05:08:28,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:28,380 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:28,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:08:28,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:28,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:28,382 INFO L85 PathProgramCache]: Analyzing trace with hash 801032252, now seen corresponding path program 1 times [2024-10-13 05:08:28,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:28,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560029362] [2024-10-13 05:08:28,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:28,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:31,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:31,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560029362] [2024-10-13 05:08:31,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560029362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:31,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:31,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 05:08:31,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882365842] [2024-10-13 05:08:31,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:31,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:08:31,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:31,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:08:31,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:08:31,686 INFO L87 Difference]: Start difference. First operand 1540 states and 2475 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:08:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:33,368 INFO L93 Difference]: Finished difference Result 3809 states and 6119 transitions. [2024-10-13 05:08:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:08:33,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 321 [2024-10-13 05:08:33,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:33,386 INFO L225 Difference]: With dead ends: 3809 [2024-10-13 05:08:33,386 INFO L226 Difference]: Without dead ends: 2270 [2024-10-13 05:08:33,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 05:08:33,394 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 353 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:33,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 1211 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 05:08:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-10-13 05:08:33,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2258. [2024-10-13 05:08:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2258 states, 1729 states have (on average 1.5020242914979758) internal successors, (2597), 1735 states have internal predecessors, (2597), 516 states have call successors, (516), 12 states have call predecessors, (516), 12 states have return successors, (516), 510 states have call predecessors, (516), 516 states have call successors, (516) [2024-10-13 05:08:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3629 transitions. [2024-10-13 05:08:33,684 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3629 transitions. Word has length 321 [2024-10-13 05:08:33,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:33,685 INFO L471 AbstractCegarLoop]: Abstraction has 2258 states and 3629 transitions. [2024-10-13 05:08:33,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-13 05:08:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3629 transitions. [2024-10-13 05:08:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-13 05:08:33,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:33,714 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:33,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 05:08:33,715 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:33,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash -63911052, now seen corresponding path program 1 times [2024-10-13 05:08:33,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:33,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072046118] [2024-10-13 05:08:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:33,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:34,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:34,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072046118] [2024-10-13 05:08:34,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072046118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:34,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:34,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 05:08:34,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766967120] [2024-10-13 05:08:34,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:34,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 05:08:34,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 05:08:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:08:34,352 INFO L87 Difference]: Start difference. First operand 2258 states and 3629 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:35,431 INFO L93 Difference]: Finished difference Result 4505 states and 7218 transitions. [2024-10-13 05:08:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 05:08:35,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 321 [2024-10-13 05:08:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:35,473 INFO L225 Difference]: With dead ends: 4505 [2024-10-13 05:08:35,478 INFO L226 Difference]: Without dead ends: 2248 [2024-10-13 05:08:35,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 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 05:08:35,502 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 534 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:35,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 799 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 05:08:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2024-10-13 05:08:35,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2149. [2024-10-13 05:08:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1554 states have (on average 1.4517374517374517) internal successors, (2256), 1560 states have internal predecessors, (2256), 576 states have call successors, (576), 18 states have call predecessors, (576), 18 states have return successors, (576), 570 states have call predecessors, (576), 576 states have call successors, (576) [2024-10-13 05:08:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3408 transitions. [2024-10-13 05:08:35,759 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3408 transitions. Word has length 321 [2024-10-13 05:08:35,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:35,760 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3408 transitions. [2024-10-13 05:08:35,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3408 transitions. [2024-10-13 05:08:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 05:08:35,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:35,766 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:35,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 05:08:35,767 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:35,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:35,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1800465219, now seen corresponding path program 1 times [2024-10-13 05:08:35,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:35,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816055914] [2024-10-13 05:08:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:35,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:08:37,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:37,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816055914] [2024-10-13 05:08:37,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816055914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:08:37,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:08:37,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:08:37,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018933211] [2024-10-13 05:08:37,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:08:37,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:08:37,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:37,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:08:37,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:08:37,211 INFO L87 Difference]: Start difference. First operand 2149 states and 3408 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:38,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:38,126 INFO L93 Difference]: Finished difference Result 4765 states and 7551 transitions. [2024-10-13 05:08:38,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:08:38,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 322 [2024-10-13 05:08:38,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:38,151 INFO L225 Difference]: With dead ends: 4765 [2024-10-13 05:08:38,152 INFO L226 Difference]: Without dead ends: 3285 [2024-10-13 05:08:38,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 05:08:38,160 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 220 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:38,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 888 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 05:08:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3285 states. [2024-10-13 05:08:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3285 to 941. [2024-10-13 05:08:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 742 states have (on average 1.4878706199460916) internal successors, (1104), 744 states have internal predecessors, (1104), 192 states have call successors, (192), 6 states have call predecessors, (192), 6 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-13 05:08:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1488 transitions. [2024-10-13 05:08:38,332 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1488 transitions. Word has length 322 [2024-10-13 05:08:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:38,333 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1488 transitions. [2024-10-13 05:08:38,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:08:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1488 transitions. [2024-10-13 05:08:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 05:08:38,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:38,338 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:38,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 05:08:38,339 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:38,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1579160431, now seen corresponding path program 1 times [2024-10-13 05:08:38,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:38,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069594197] [2024-10-13 05:08:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:08:39,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:39,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069594197] [2024-10-13 05:08:39,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069594197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:08:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263494975] [2024-10-13 05:08:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:39,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:08:39,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:08:39,561 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 05:08:39,563 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 05:08:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:39,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 05:08:39,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:08:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2074 proven. 39 refuted. 0 times theorem prover too weak. 2787 trivial. 0 not checked. [2024-10-13 05:08:40,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:08:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:08:40,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263494975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:08:40,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:08:40,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 18 [2024-10-13 05:08:40,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846113411] [2024-10-13 05:08:40,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:08:40,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 05:08:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:40,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 05:08:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-10-13 05:08:40,701 INFO L87 Difference]: Start difference. First operand 941 states and 1488 transitions. Second operand has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 4 states have call successors, (76), 3 states have call predecessors, (76), 6 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-10-13 05:08:45,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:45,718 INFO L93 Difference]: Finished difference Result 3127 states and 4738 transitions. [2024-10-13 05:08:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-13 05:08:45,719 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 4 states have call successors, (76), 3 states have call predecessors, (76), 6 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) Word has length 322 [2024-10-13 05:08:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:45,733 INFO L225 Difference]: With dead ends: 3127 [2024-10-13 05:08:45,733 INFO L226 Difference]: Without dead ends: 2187 [2024-10-13 05:08:45,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1853 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=906, Invalid=5100, Unknown=0, NotChecked=0, Total=6006 [2024-10-13 05:08:45,739 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 1911 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 1036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 4260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1036 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:45,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 3410 Invalid, 4260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1036 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-13 05:08:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-10-13 05:08:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 862. [2024-10-13 05:08:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 643 states have (on average 1.374805598755832) internal successors, (884), 645 states have internal predecessors, (884), 200 states have call successors, (200), 18 states have call predecessors, (200), 18 states have return successors, (200), 198 states have call predecessors, (200), 200 states have call successors, (200) [2024-10-13 05:08:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1284 transitions. [2024-10-13 05:08:45,912 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1284 transitions. Word has length 322 [2024-10-13 05:08:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:45,912 INFO L471 AbstractCegarLoop]: Abstraction has 862 states and 1284 transitions. [2024-10-13 05:08:45,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 4 states have call successors, (76), 3 states have call predecessors, (76), 6 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2024-10-13 05:08:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1284 transitions. [2024-10-13 05:08:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 05:08:45,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:45,917 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:45,939 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 05:08:46,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:08:46,122 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:46,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:46,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1343999567, now seen corresponding path program 1 times [2024-10-13 05:08:46,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:46,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769029995] [2024-10-13 05:08:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:46,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:08:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:08:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:08:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:08:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:08:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:08:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:08:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:08:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:08:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:08:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:08:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:08:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:08:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:08:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:08:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:08:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:08:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:08:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:08:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:08:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:08:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:08:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:08:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:08:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:08:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:08:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:08:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:08:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:08:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:08:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:08:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:08:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:08:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:08:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:08:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:08:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:08:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:08:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:08:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:08:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:08:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:08:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:08:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:08:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:08:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:08:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:08:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:08:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:08:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:08:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:08:47,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:08:47,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769029995] [2024-10-13 05:08:47,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769029995] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:08:47,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205519685] [2024-10-13 05:08:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:47,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:08:47,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:08:47,711 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 05:08:47,713 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 05:08:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:08:47,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 05:08:47,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:08:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-10-13 05:08:48,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:08:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:08:48,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205519685] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:08:48,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:08:48,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 13 [2024-10-13 05:08:48,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403689732] [2024-10-13 05:08:48,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:08:48,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 05:08:48,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:08:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 05:08:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-13 05:08:48,367 INFO L87 Difference]: Start difference. First operand 862 states and 1284 transitions. Second operand has 13 states, 12 states have (on average 11.333333333333334) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 4 states have call predecessors, (104), 5 states have call successors, (104) [2024-10-13 05:08:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 05:08:57,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 05:08:58,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:08:58,878 INFO L93 Difference]: Finished difference Result 2365 states and 3513 transitions. [2024-10-13 05:08:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 05:08:58,879 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.333333333333334) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 4 states have call predecessors, (104), 5 states have call successors, (104) Word has length 322 [2024-10-13 05:08:58,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:08:58,889 INFO L225 Difference]: With dead ends: 2365 [2024-10-13 05:08:58,889 INFO L226 Difference]: Without dead ends: 1504 [2024-10-13 05:08:58,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 743 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=632, Unknown=0, NotChecked=0, Total=870 [2024-10-13 05:08:58,893 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 1217 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 780 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:08:58,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1579 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 1752 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2024-10-13 05:08:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2024-10-13 05:08:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1270. [2024-10-13 05:08:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 935 states have (on average 1.358288770053476) internal successors, (1270), 937 states have internal predecessors, (1270), 300 states have call successors, (300), 34 states have call predecessors, (300), 34 states have return successors, (300), 298 states have call predecessors, (300), 300 states have call successors, (300) [2024-10-13 05:08:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1870 transitions. [2024-10-13 05:08:59,121 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1870 transitions. Word has length 322 [2024-10-13 05:08:59,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:08:59,122 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1870 transitions. [2024-10-13 05:08:59,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.333333333333334) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (104), 4 states have call predecessors, (104), 5 states have call successors, (104) [2024-10-13 05:08:59,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1870 transitions. [2024-10-13 05:08:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 05:08:59,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:08:59,127 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:59,147 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 05:08:59,331 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,SelfDestructingSolverStorable9 [2024-10-13 05:08:59,332 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:08:59,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:08:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash -680681249, now seen corresponding path program 1 times [2024-10-13 05:08:59,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:08:59,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574122942] [2024-10-13 05:08:59,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:08:59,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:08:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:09:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:09:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:09:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:09:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:09:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:09:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:09:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:09:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:09:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:09:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:09:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:09:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:09:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:09:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:09:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:09:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:09:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:09:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:09:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:09:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:09:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:09:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:09:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:09:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:09:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:09:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:09:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:09:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:09:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:09:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:09:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:09:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:09:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:09:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:09:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:09:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:09:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:09:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:09:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:09:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:09:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:09:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:09:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:09:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:09:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:09:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:09:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:09:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:09:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:09:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-13 05:09:00,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:09:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574122942] [2024-10-13 05:09:00,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574122942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:09:00,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:09:00,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:09:00,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308615751] [2024-10-13 05:09:00,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:09:00,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:09:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:09:00,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:09:00,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:09:00,130 INFO L87 Difference]: Start difference. First operand 1270 states and 1870 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:09:00,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:09:00,626 INFO L93 Difference]: Finished difference Result 2116 states and 3099 transitions. [2024-10-13 05:09:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:09:00,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 322 [2024-10-13 05:09:00,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:09:00,635 INFO L225 Difference]: With dead ends: 2116 [2024-10-13 05:09:00,635 INFO L226 Difference]: Without dead ends: 847 [2024-10-13 05:09:00,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:09:00,641 INFO L432 NwaCegarLoop]: 416 mSDtfsCounter, 324 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:09:00,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 619 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:09:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-10-13 05:09:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 436. [2024-10-13 05:09:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 324 states have (on average 1.3395061728395061) internal successors, (434), 325 states have internal predecessors, (434), 100 states have call successors, (100), 11 states have call predecessors, (100), 11 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 05:09:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 634 transitions. [2024-10-13 05:09:00,744 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 634 transitions. Word has length 322 [2024-10-13 05:09:00,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:09:00,745 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 634 transitions. [2024-10-13 05:09:00,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-13 05:09:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 634 transitions. [2024-10-13 05:09:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:09:00,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:09:00,748 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:00,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 05:09:00,748 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:09:00,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:09:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash 334224904, now seen corresponding path program 1 times [2024-10-13 05:09:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:09:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202769155] [2024-10-13 05:09:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:09:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:09:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:09:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:09:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:09:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:09:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:09:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:09:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:09:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:09:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:09:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:09:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:09:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:09:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:09:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:09:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:09:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:09:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:09:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:09:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:09:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:09:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:09:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:09:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:09:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:09:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:09:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:09:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:09:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:01,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:09:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:09:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:09:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:09:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:09:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:09:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:09:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:09:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:09:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:09:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:09:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:09:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:09:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:09:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:09:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:09:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:09:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:09:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:09:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:09:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:09:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:09:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:09:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 132 proven. 15 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:09:02,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:09:02,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202769155] [2024-10-13 05:09:02,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202769155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:09:02,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605599383] [2024-10-13 05:09:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:09:02,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:09:02,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:09:02,084 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 05:09:02,086 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 05:09:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:02,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 05:09:02,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:09:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1017 proven. 15 refuted. 0 times theorem prover too weak. 3868 trivial. 0 not checked. [2024-10-13 05:09:02,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:09:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 132 proven. 15 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:09:03,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605599383] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:09:03,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:09:03,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 23 [2024-10-13 05:09:03,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4527860] [2024-10-13 05:09:03,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:09:03,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-13 05:09:03,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:09:03,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-13 05:09:03,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2024-10-13 05:09:03,650 INFO L87 Difference]: Start difference. First operand 436 states and 634 transitions. Second operand has 23 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 4 states have call predecessors, (150), 4 states have call successors, (150) [2024-10-13 05:09:08,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:09:08,148 INFO L93 Difference]: Finished difference Result 1763 states and 2520 transitions. [2024-10-13 05:09:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-13 05:09:08,149 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 4 states have call predecessors, (150), 4 states have call successors, (150) Word has length 323 [2024-10-13 05:09:08,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:09:08,158 INFO L225 Difference]: With dead ends: 1763 [2024-10-13 05:09:08,159 INFO L226 Difference]: Without dead ends: 1328 [2024-10-13 05:09:08,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 737 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756 [2024-10-13 05:09:08,162 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 1459 mSDsluCounter, 2321 mSDsCounter, 0 mSdLazyCounter, 3053 mSolverCounterSat, 863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 3916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 863 IncrementalHoareTripleChecker+Valid, 3053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:09:08,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 2622 Invalid, 3916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [863 Valid, 3053 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-13 05:09:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2024-10-13 05:09:08,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 799. [2024-10-13 05:09:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 524 states have (on average 1.248091603053435) internal successors, (654), 527 states have internal predecessors, (654), 245 states have call successors, (245), 29 states have call predecessors, (245), 29 states have return successors, (245), 242 states have call predecessors, (245), 245 states have call successors, (245) [2024-10-13 05:09:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1144 transitions. [2024-10-13 05:09:08,396 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1144 transitions. Word has length 323 [2024-10-13 05:09:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:09:08,399 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1144 transitions. [2024-10-13 05:09:08,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 4 states have call predecessors, (150), 4 states have call successors, (150) [2024-10-13 05:09:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1144 transitions. [2024-10-13 05:09:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-13 05:09:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:09:08,402 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:08,424 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 05:09:08,605 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 05:09:08,606 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:09:08,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:09:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash -766779090, now seen corresponding path program 1 times [2024-10-13 05:09:08,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:09:08,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103792639] [2024-10-13 05:09:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:09:08,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:09:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:09:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 05:09:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 05:09:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 05:09:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 05:09:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 05:09:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 05:09:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 05:09:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 05:09:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 05:09:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-13 05:09:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 05:09:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 05:09:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 05:09:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 05:09:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 05:09:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 05:09:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 05:09:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-13 05:09:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 05:09:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 05:09:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 05:09:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 05:09:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 05:09:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 05:09:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-13 05:09:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 05:09:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 05:09:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-13 05:09:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 05:09:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-13 05:09:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 05:09:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 05:09:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 05:09:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-13 05:09:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 05:09:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-13 05:09:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 05:09:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 05:09:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 05:09:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-13 05:09:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 05:09:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 05:09:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:09:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:09:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:09:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:09:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:09:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:09:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:09:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-13 05:09:09,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:09:09,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103792639] [2024-10-13 05:09:09,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103792639] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:09:09,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269196077] [2024-10-13 05:09:09,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:09:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:09:09,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:09:09,948 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 05:09:09,950 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 05:09:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:09:10,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 05:09:10,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:09:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3340 proven. 249 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-10-13 05:09:11,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:09:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 303 proven. 267 refuted. 0 times theorem prover too weak. 4330 trivial. 0 not checked. [2024-10-13 05:09:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269196077] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:09:12,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:09:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 31 [2024-10-13 05:09:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969053066] [2024-10-13 05:09:12,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:09:12,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-13 05:09:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:09:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-13 05:09:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2024-10-13 05:09:12,999 INFO L87 Difference]: Start difference. First operand 799 states and 1144 transitions. Second operand has 31 states, 29 states have (on average 6.793103448275862) internal successors, (197), 29 states have internal predecessors, (197), 11 states have call successors, (108), 5 states have call predecessors, (108), 12 states have return successors, (110), 10 states have call predecessors, (110), 11 states have call successors, (110) [2024-10-13 05:09:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:09:16,881 INFO L93 Difference]: Finished difference Result 2107 states and 2941 transitions. [2024-10-13 05:09:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-13 05:09:16,882 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 6.793103448275862) internal successors, (197), 29 states have internal predecessors, (197), 11 states have call successors, (108), 5 states have call predecessors, (108), 12 states have return successors, (110), 10 states have call predecessors, (110), 11 states have call successors, (110) Word has length 323 [2024-10-13 05:09:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:09:16,891 INFO L225 Difference]: With dead ends: 2107 [2024-10-13 05:09:16,892 INFO L226 Difference]: Without dead ends: 1397 [2024-10-13 05:09:16,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1531 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1430, Invalid=4576, Unknown=0, NotChecked=0, Total=6006 [2024-10-13 05:09:16,896 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 869 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:09:16,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1197 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [620 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 05:09:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2024-10-13 05:09:17,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 879. [2024-10-13 05:09:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 584 states have (on average 1.1952054794520548) internal successors, (698), 587 states have internal predecessors, (698), 245 states have call successors, (245), 49 states have call predecessors, (245), 49 states have return successors, (245), 242 states have call predecessors, (245), 245 states have call successors, (245) [2024-10-13 05:09:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1188 transitions. [2024-10-13 05:09:17,135 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1188 transitions. Word has length 323 [2024-10-13 05:09:17,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:09:17,136 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1188 transitions. [2024-10-13 05:09:17,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 6.793103448275862) internal successors, (197), 29 states have internal predecessors, (197), 11 states have call successors, (108), 5 states have call predecessors, (108), 12 states have return successors, (110), 10 states have call predecessors, (110), 11 states have call successors, (110) [2024-10-13 05:09:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1188 transitions. [2024-10-13 05:09:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-10-13 05:09:17,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:09:17,138 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:17,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 05:09:17,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:09:17,343 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:09:17,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:09:17,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2093491848, now seen corresponding path program 1 times [2024-10-13 05:09:17,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:09:17,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250153200] [2024-10-13 05:09:17,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:09:17,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms