./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_fillercode_fillercodestructure_filler-ps-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:06:09,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:06:09,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:06:09,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:06:09,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:06:09,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:06:09,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:06:09,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:06:09,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:06:09,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:06:09,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:06:09,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:06:09,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:06:09,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:06:09,938 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:06:09,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:06:09,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:06:09,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:06:09,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:06:09,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:06:09,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:06:09,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:06:09,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:06:09,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:06:09,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:06:09,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:06:09,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:06:09,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:06:09,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:06:09,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:06:09,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:06:09,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:06:09,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:06:09,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:06:09,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:06:09,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:06:09,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:06:09,947 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe [2024-10-11 10:06:10,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:06:10,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:06:10,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:06:10,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:06:10,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:06:10,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-10-11 10:06:11,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:06:11,609 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:06:11,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-10-11 10:06:11,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/811c01943/cb34a8f1db464ff193e2b793c950a717/FLAG7297c03fb [2024-10-11 10:06:11,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/811c01943/cb34a8f1db464ff193e2b793c950a717 [2024-10-11 10:06:11,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:06:11,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:06:11,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:06:11,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:06:11,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:06:11,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:11,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c544176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11, skipping insertion in model container [2024-10-11 10:06:11,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:11,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:06:11,797 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_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-10-11 10:06:11,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:06:11,880 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:06:11,888 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_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-10-11 10:06:11,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:06:11,952 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:06:11,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11 WrapperNode [2024-10-11 10:06:11,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:06:11,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:06:11,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:06:11,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:06:11,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:11,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,014 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-11 10:06:12,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:06:12,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:06:12,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:06:12,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:06:12,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,048 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 10:06:12,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:06:12,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:06:12,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:06:12,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:06:12,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (1/1) ... [2024-10-11 10:06:12,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:06:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:06:12,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:06:12,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:06:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:06:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:06:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:06:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:06:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:06:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:06:12,267 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:06:12,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:06:12,738 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 10:06:12,739 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:06:12,767 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:06:12,768 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:06:12,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:06:12 BoogieIcfgContainer [2024-10-11 10:06:12,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:06:12,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:06:12,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:06:12,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:06:12,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:06:11" (1/3) ... [2024-10-11 10:06:12,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:06:12, skipping insertion in model container [2024-10-11 10:06:12,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:06:11" (2/3) ... [2024-10-11 10:06:12,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2041d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:06:12, skipping insertion in model container [2024-10-11 10:06:12,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:06:12" (3/3) ... [2024-10-11 10:06:12,777 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-10-11 10:06:12,790 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:06:12,791 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:06:12,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:06:12,850 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;@aee0a24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:06:12,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:06:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 10:06:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-11 10:06:12,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:12,875 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:12,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:12,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:12,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1996304895, now seen corresponding path program 1 times [2024-10-11 10:06:12,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:12,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623497486] [2024-10-11 10:06:12,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:13,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:13,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623497486] [2024-10-11 10:06:13,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623497486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:13,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:13,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:06:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463016826] [2024-10-11 10:06:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:13,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:06:13,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:13,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:06:13,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:06:13,341 INFO L87 Difference]: Start difference. First operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 10:06:13,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:13,380 INFO L93 Difference]: Finished difference Result 197 states and 353 transitions. [2024-10-11 10:06:13,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:06:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-10-11 10:06:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:13,388 INFO L225 Difference]: With dead ends: 197 [2024-10-11 10:06:13,388 INFO L226 Difference]: Without dead ends: 98 [2024-10-11 10:06:13,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:06:13,394 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:13,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:06:13,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-11 10:06:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-10-11 10:06:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 65 states have internal predecessors, (95), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 10:06:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 157 transitions. [2024-10-11 10:06:13,432 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 157 transitions. Word has length 198 [2024-10-11 10:06:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:13,432 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 157 transitions. [2024-10-11 10:06:13,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 10:06:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2024-10-11 10:06:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-11 10:06:13,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:13,438 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:13,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:06:13,439 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:13,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:13,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1551022027, now seen corresponding path program 1 times [2024-10-11 10:06:13,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:13,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261869428] [2024-10-11 10:06:13,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:13,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:13,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261869428] [2024-10-11 10:06:13,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261869428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:13,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:13,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 10:06:13,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845522785] [2024-10-11 10:06:13,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:13,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 10:06:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 10:06:13,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:06:13,852 INFO L87 Difference]: Start difference. First operand 98 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:13,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:13,929 INFO L93 Difference]: Finished difference Result 276 states and 446 transitions. [2024-10-11 10:06:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 10:06:13,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-11 10:06:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:13,933 INFO L225 Difference]: With dead ends: 276 [2024-10-11 10:06:13,933 INFO L226 Difference]: Without dead ends: 179 [2024-10-11 10:06:13,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 10:06:13,938 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 76 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:13,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 285 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:06:13,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-11 10:06:13,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2024-10-11 10:06:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 99 states have internal predecessors, (137), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 10:06:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 261 transitions. [2024-10-11 10:06:13,971 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 261 transitions. Word has length 198 [2024-10-11 10:06:13,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:13,972 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 261 transitions. [2024-10-11 10:06:13,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 261 transitions. [2024-10-11 10:06:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 10:06:13,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:13,986 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:13,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:06:13,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:13,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:13,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1256336347, now seen corresponding path program 1 times [2024-10-11 10:06:13,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:13,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815936877] [2024-10-11 10:06:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:13,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:14,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815936877] [2024-10-11 10:06:14,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815936877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:14,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:14,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:06:14,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786505509] [2024-10-11 10:06:14,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:14,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:06:14,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:14,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:06:14,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:06:14,219 INFO L87 Difference]: Start difference. First operand 164 states and 261 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:14,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:14,393 INFO L93 Difference]: Finished difference Result 388 states and 614 transitions. [2024-10-11 10:06:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:06:14,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-11 10:06:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:14,397 INFO L225 Difference]: With dead ends: 388 [2024-10-11 10:06:14,397 INFO L226 Difference]: Without dead ends: 291 [2024-10-11 10:06:14,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:06:14,401 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 134 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:14,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 435 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:06:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-11 10:06:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 266. [2024-10-11 10:06:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 195 states have (on average 1.5025641025641026) internal successors, (293), 196 states have internal predecessors, (293), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 10:06:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 425 transitions. [2024-10-11 10:06:14,436 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 425 transitions. Word has length 200 [2024-10-11 10:06:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:14,437 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 425 transitions. [2024-10-11 10:06:14,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 425 transitions. [2024-10-11 10:06:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 10:06:14,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:14,442 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:14,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:06:14,442 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:14,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:14,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1936394717, now seen corresponding path program 1 times [2024-10-11 10:06:14,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:14,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988209107] [2024-10-11 10:06:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:14,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:14,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988209107] [2024-10-11 10:06:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988209107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:06:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709236698] [2024-10-11 10:06:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:14,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:06:14,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:06:14,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:06:14,694 INFO L87 Difference]: Start difference. First operand 266 states and 425 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:14,772 INFO L93 Difference]: Finished difference Result 494 states and 796 transitions. [2024-10-11 10:06:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:06:14,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-11 10:06:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:14,780 INFO L225 Difference]: With dead ends: 494 [2024-10-11 10:06:14,781 INFO L226 Difference]: Without dead ends: 310 [2024-10-11 10:06:14,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:06:14,784 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 74 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:14,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 425 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:06:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-11 10:06:14,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 266. [2024-10-11 10:06:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 196 states have internal predecessors, (290), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 10:06:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 422 transitions. [2024-10-11 10:06:14,812 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 422 transitions. Word has length 200 [2024-10-11 10:06:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:14,813 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 422 transitions. [2024-10-11 10:06:14,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2024-10-11 10:06:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 10:06:14,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:14,816 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:14,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:06:14,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:14,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2014403746, now seen corresponding path program 1 times [2024-10-11 10:06:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046080212] [2024-10-11 10:06:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:15,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:15,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046080212] [2024-10-11 10:06:15,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046080212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:15,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:15,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:06:15,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057574366] [2024-10-11 10:06:15,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:15,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:06:15,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:15,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:06:15,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:06:15,139 INFO L87 Difference]: Start difference. First operand 266 states and 422 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:15,268 INFO L93 Difference]: Finished difference Result 491 states and 776 transitions. [2024-10-11 10:06:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:06:15,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-11 10:06:15,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:15,272 INFO L225 Difference]: With dead ends: 491 [2024-10-11 10:06:15,272 INFO L226 Difference]: Without dead ends: 298 [2024-10-11 10:06:15,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:06:15,273 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 72 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:15,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 482 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:06:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-11 10:06:15,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 250. [2024-10-11 10:06:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 183 states have (on average 1.4371584699453552) internal successors, (263), 183 states have internal predecessors, (263), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 10:06:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 387 transitions. [2024-10-11 10:06:15,298 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 387 transitions. Word has length 201 [2024-10-11 10:06:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:15,299 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 387 transitions. [2024-10-11 10:06:15,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 387 transitions. [2024-10-11 10:06:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 10:06:15,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:15,301 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:15,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:06:15,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:15,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:15,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1207478170, now seen corresponding path program 1 times [2024-10-11 10:06:15,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:15,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694758287] [2024-10-11 10:06:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694758287] [2024-10-11 10:06:16,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694758287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:16,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:16,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:06:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824464798] [2024-10-11 10:06:16,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:16,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:06:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:06:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:06:16,251 INFO L87 Difference]: Start difference. First operand 250 states and 387 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:16,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:16,986 INFO L93 Difference]: Finished difference Result 685 states and 1051 transitions. [2024-10-11 10:06:16,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 10:06:16,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-11 10:06:16,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:16,989 INFO L225 Difference]: With dead ends: 685 [2024-10-11 10:06:16,989 INFO L226 Difference]: Without dead ends: 525 [2024-10-11 10:06:16,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:06:16,992 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 548 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:16,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 703 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:06:16,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-10-11 10:06:17,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 325. [2024-10-11 10:06:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 256 states have (on average 1.4453125) internal successors, (370), 256 states have internal predecessors, (370), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-11 10:06:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 494 transitions. [2024-10-11 10:06:17,014 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 494 transitions. Word has length 201 [2024-10-11 10:06:17,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:17,016 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 494 transitions. [2024-10-11 10:06:17,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 494 transitions. [2024-10-11 10:06:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 10:06:17,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:17,018 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:17,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 10:06:17,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:17,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:17,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1794284184, now seen corresponding path program 1 times [2024-10-11 10:06:17,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:17,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822507942] [2024-10-11 10:06:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:17,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:30,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:30,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822507942] [2024-10-11 10:06:30,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822507942] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:30,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:30,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 10:06:30,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39210383] [2024-10-11 10:06:30,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:30,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 10:06:30,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:30,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 10:06:30,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-11 10:06:30,292 INFO L87 Difference]: Start difference. First operand 325 states and 494 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:33,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:33,440 INFO L93 Difference]: Finished difference Result 772 states and 1165 transitions. [2024-10-11 10:06:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 10:06:33,440 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-11 10:06:33,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:33,442 INFO L225 Difference]: With dead ends: 772 [2024-10-11 10:06:33,442 INFO L226 Difference]: Without dead ends: 612 [2024-10-11 10:06:33,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2024-10-11 10:06:33,444 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 603 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:33,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 763 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 10:06:33,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-11 10:06:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 485. [2024-10-11 10:06:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 390 states have (on average 1.4461538461538461) internal successors, (564), 392 states have internal predecessors, (564), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:06:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 732 transitions. [2024-10-11 10:06:33,467 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 732 transitions. Word has length 201 [2024-10-11 10:06:33,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:33,468 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 732 transitions. [2024-10-11 10:06:33,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 732 transitions. [2024-10-11 10:06:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-11 10:06:33,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:33,471 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:33,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:06:33,471 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:33,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1799618534, now seen corresponding path program 1 times [2024-10-11 10:06:33,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:33,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049287801] [2024-10-11 10:06:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:34,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049287801] [2024-10-11 10:06:34,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049287801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:34,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:34,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 10:06:34,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152973233] [2024-10-11 10:06:34,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:34,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 10:06:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:34,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 10:06:34,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:06:34,426 INFO L87 Difference]: Start difference. First operand 485 states and 732 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:35,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:35,721 INFO L93 Difference]: Finished difference Result 794 states and 1200 transitions. [2024-10-11 10:06:35,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 10:06:35,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-11 10:06:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:35,725 INFO L225 Difference]: With dead ends: 794 [2024-10-11 10:06:35,725 INFO L226 Difference]: Without dead ends: 591 [2024-10-11 10:06:35,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-10-11 10:06:35,727 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 382 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:35,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 831 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 10:06:35,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-10-11 10:06:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 484. [2024-10-11 10:06:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 389 states have (on average 1.4473007712082262) internal successors, (563), 391 states have internal predecessors, (563), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:06:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 731 transitions. [2024-10-11 10:06:35,760 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 731 transitions. Word has length 201 [2024-10-11 10:06:35,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:35,761 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 731 transitions. [2024-10-11 10:06:35,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 731 transitions. [2024-10-11 10:06:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:06:35,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:35,763 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:35,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 10:06:35,764 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:35,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash -71337610, now seen corresponding path program 1 times [2024-10-11 10:06:35,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:35,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654698373] [2024-10-11 10:06:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:43,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:43,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654698373] [2024-10-11 10:06:43,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654698373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:43,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:43,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 10:06:43,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042721742] [2024-10-11 10:06:43,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:43,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 10:06:43,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:43,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 10:06:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:06:43,045 INFO L87 Difference]: Start difference. First operand 484 states and 731 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:43,988 INFO L93 Difference]: Finished difference Result 837 states and 1253 transitions. [2024-10-11 10:06:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 10:06:43,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:06:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:43,992 INFO L225 Difference]: With dead ends: 837 [2024-10-11 10:06:43,992 INFO L226 Difference]: Without dead ends: 622 [2024-10-11 10:06:43,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:06:43,993 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 112 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:43,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 482 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 10:06:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-10-11 10:06:44,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 533. [2024-10-11 10:06:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 438 states have (on average 1.4452054794520548) internal successors, (633), 440 states have internal predecessors, (633), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:06:44,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 801 transitions. [2024-10-11 10:06:44,025 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 801 transitions. Word has length 202 [2024-10-11 10:06:44,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:44,025 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 801 transitions. [2024-10-11 10:06:44,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 801 transitions. [2024-10-11 10:06:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:06:44,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:44,027 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:44,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 10:06:44,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:44,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:44,027 INFO L85 PathProgramCache]: Analyzing trace with hash 629726968, now seen corresponding path program 1 times [2024-10-11 10:06:44,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:44,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058929548] [2024-10-11 10:06:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:44,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:44,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058929548] [2024-10-11 10:06:44,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058929548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:44,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:44,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 10:06:44,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207325134] [2024-10-11 10:06:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:44,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 10:06:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 10:06:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:06:44,519 INFO L87 Difference]: Start difference. First operand 533 states and 801 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:44,879 INFO L93 Difference]: Finished difference Result 903 states and 1363 transitions. [2024-10-11 10:06:44,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:06:44,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:06:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:44,883 INFO L225 Difference]: With dead ends: 903 [2024-10-11 10:06:44,883 INFO L226 Difference]: Without dead ends: 621 [2024-10-11 10:06:44,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:06:44,884 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 182 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:44,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 580 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 10:06:44,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-11 10:06:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 579. [2024-10-11 10:06:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 484 states have (on average 1.4194214876033058) internal successors, (687), 486 states have internal predecessors, (687), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:06:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 855 transitions. [2024-10-11 10:06:44,920 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 855 transitions. Word has length 202 [2024-10-11 10:06:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:44,921 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 855 transitions. [2024-10-11 10:06:44,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 855 transitions. [2024-10-11 10:06:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:06:44,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:44,923 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:44,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 10:06:44,923 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:44,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1047271687, now seen corresponding path program 1 times [2024-10-11 10:06:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:44,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78773484] [2024-10-11 10:06:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:44,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:06:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:06:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:06:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:06:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:06:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:06:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:06:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:06:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:06:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:06:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:06:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:06:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:06:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:06:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:06:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:06:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:06:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:06:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:06:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:06:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:06:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:06:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:06:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:06:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:06:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:06:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:06:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:06:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:06:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:06:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:06:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:06:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:06:51,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:06:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78773484] [2024-10-11 10:06:51,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78773484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:06:51,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:06:51,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 10:06:51,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9407540] [2024-10-11 10:06:51,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:06:51,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 10:06:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:06:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 10:06:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:06:51,814 INFO L87 Difference]: Start difference. First operand 579 states and 855 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:06:55,868 INFO L93 Difference]: Finished difference Result 1104 states and 1590 transitions. [2024-10-11 10:06:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 10:06:55,868 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:06:55,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:06:55,872 INFO L225 Difference]: With dead ends: 1104 [2024-10-11 10:06:55,872 INFO L226 Difference]: Without dead ends: 894 [2024-10-11 10:06:55,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 10:06:55,874 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 588 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:06:55,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1032 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 10:06:55,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2024-10-11 10:06:55,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 584. [2024-10-11 10:06:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 489 states have (on average 1.4192229038854807) internal successors, (694), 491 states have internal predecessors, (694), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:06:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 862 transitions. [2024-10-11 10:06:55,917 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 862 transitions. Word has length 202 [2024-10-11 10:06:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:06:55,917 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 862 transitions. [2024-10-11 10:06:55,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:06:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 862 transitions. [2024-10-11 10:06:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:06:55,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:06:55,921 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:06:55,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 10:06:55,921 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:06:55,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:06:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash -25813693, now seen corresponding path program 1 times [2024-10-11 10:06:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:06:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150552531] [2024-10-11 10:06:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:06:55,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:06:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:02,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:02,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150552531] [2024-10-11 10:07:02,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150552531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:02,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:02,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 10:07:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460348686] [2024-10-11 10:07:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:02,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 10:07:02,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:02,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 10:07:02,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-11 10:07:02,062 INFO L87 Difference]: Start difference. First operand 584 states and 862 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:04,115 INFO L93 Difference]: Finished difference Result 891 states and 1308 transitions. [2024-10-11 10:07:04,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 10:07:04,116 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:07:04,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:04,119 INFO L225 Difference]: With dead ends: 891 [2024-10-11 10:07:04,120 INFO L226 Difference]: Without dead ends: 681 [2024-10-11 10:07:04,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=239, Invalid=573, Unknown=0, NotChecked=0, Total=812 [2024-10-11 10:07:04,122 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 605 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:04,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 888 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 10:07:04,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-10-11 10:07:04,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 594. [2024-10-11 10:07:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 499 states have (on average 1.4188376753507015) internal successors, (708), 501 states have internal predecessors, (708), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 876 transitions. [2024-10-11 10:07:04,158 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 876 transitions. Word has length 202 [2024-10-11 10:07:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:04,159 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 876 transitions. [2024-10-11 10:07:04,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 876 transitions. [2024-10-11 10:07:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:07:04,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:04,160 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:04,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 10:07:04,161 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:04,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:04,161 INFO L85 PathProgramCache]: Analyzing trace with hash 654244677, now seen corresponding path program 1 times [2024-10-11 10:07:04,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:04,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200852387] [2024-10-11 10:07:04,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:04,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:09,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:09,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200852387] [2024-10-11 10:07:09,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200852387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:09,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:09,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 10:07:09,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933252069] [2024-10-11 10:07:09,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:09,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 10:07:09,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:09,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 10:07:09,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-11 10:07:09,146 INFO L87 Difference]: Start difference. First operand 594 states and 876 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:11,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:11,480 INFO L93 Difference]: Finished difference Result 889 states and 1306 transitions. [2024-10-11 10:07:11,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 10:07:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:07:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:11,484 INFO L225 Difference]: With dead ends: 889 [2024-10-11 10:07:11,484 INFO L226 Difference]: Without dead ends: 679 [2024-10-11 10:07:11,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 10:07:11,485 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 546 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:11,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 808 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 10:07:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-10-11 10:07:11,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 597. [2024-10-11 10:07:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 502 states have (on average 1.4183266932270917) internal successors, (712), 504 states have internal predecessors, (712), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 880 transitions. [2024-10-11 10:07:11,520 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 880 transitions. Word has length 202 [2024-10-11 10:07:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:11,521 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 880 transitions. [2024-10-11 10:07:11,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 880 transitions. [2024-10-11 10:07:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:07:11,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:11,522 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:11,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 10:07:11,523 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:11,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1623736957, now seen corresponding path program 1 times [2024-10-11 10:07:11,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:11,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805545413] [2024-10-11 10:07:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:11,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:11,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805545413] [2024-10-11 10:07:11,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805545413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:11,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:11,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:07:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213590037] [2024-10-11 10:07:11,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:07:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:07:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:07:11,687 INFO L87 Difference]: Start difference. First operand 597 states and 880 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:11,798 INFO L93 Difference]: Finished difference Result 972 states and 1432 transitions. [2024-10-11 10:07:11,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:07:11,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:07:11,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:11,802 INFO L225 Difference]: With dead ends: 972 [2024-10-11 10:07:11,802 INFO L226 Difference]: Without dead ends: 687 [2024-10-11 10:07:11,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:07:11,804 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 84 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:11,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 489 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:07:11,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-10-11 10:07:11,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 585. [2024-10-11 10:07:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 490 states have (on average 1.4020408163265305) internal successors, (687), 492 states have internal predecessors, (687), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 855 transitions. [2024-10-11 10:07:11,844 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 855 transitions. Word has length 202 [2024-10-11 10:07:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:11,844 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 855 transitions. [2024-10-11 10:07:11,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 855 transitions. [2024-10-11 10:07:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-11 10:07:11,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:11,845 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:11,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 10:07:11,846 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:11,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:11,846 INFO L85 PathProgramCache]: Analyzing trace with hash -943678587, now seen corresponding path program 1 times [2024-10-11 10:07:11,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:11,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521799109] [2024-10-11 10:07:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:18,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:18,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521799109] [2024-10-11 10:07:18,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521799109] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:18,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:18,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 10:07:18,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641165308] [2024-10-11 10:07:18,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:18,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 10:07:18,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:18,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 10:07:18,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:07:18,230 INFO L87 Difference]: Start difference. First operand 585 states and 855 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:19,749 INFO L93 Difference]: Finished difference Result 851 states and 1245 transitions. [2024-10-11 10:07:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 10:07:19,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-11 10:07:19,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:19,752 INFO L225 Difference]: With dead ends: 851 [2024-10-11 10:07:19,752 INFO L226 Difference]: Without dead ends: 641 [2024-10-11 10:07:19,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=198, Invalid=452, Unknown=0, NotChecked=0, Total=650 [2024-10-11 10:07:19,755 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 372 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:19,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 835 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:07:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-10-11 10:07:19,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 579. [2024-10-11 10:07:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 484 states have (on average 1.4028925619834711) internal successors, (679), 486 states have internal predecessors, (679), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 847 transitions. [2024-10-11 10:07:19,823 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 847 transitions. Word has length 202 [2024-10-11 10:07:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:19,824 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 847 transitions. [2024-10-11 10:07:19,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 847 transitions. [2024-10-11 10:07:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 10:07:19,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:19,825 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:19,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 10:07:19,825 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:19,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:19,826 INFO L85 PathProgramCache]: Analyzing trace with hash -528117843, now seen corresponding path program 1 times [2024-10-11 10:07:19,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:19,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723940670] [2024-10-11 10:07:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:20,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:20,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723940670] [2024-10-11 10:07:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723940670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:20,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:20,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 10:07:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924181902] [2024-10-11 10:07:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:20,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 10:07:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 10:07:20,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:07:20,491 INFO L87 Difference]: Start difference. First operand 579 states and 847 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:21,149 INFO L93 Difference]: Finished difference Result 1034 states and 1501 transitions. [2024-10-11 10:07:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 10:07:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-11 10:07:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:21,153 INFO L225 Difference]: With dead ends: 1034 [2024-10-11 10:07:21,153 INFO L226 Difference]: Without dead ends: 766 [2024-10-11 10:07:21,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-11 10:07:21,154 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 285 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:21,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 595 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:07:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-10-11 10:07:21,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 570. [2024-10-11 10:07:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 475 states have (on average 1.3978947368421053) internal successors, (664), 477 states have internal predecessors, (664), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 832 transitions. [2024-10-11 10:07:21,194 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 832 transitions. Word has length 203 [2024-10-11 10:07:21,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:21,194 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 832 transitions. [2024-10-11 10:07:21,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 832 transitions. [2024-10-11 10:07:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 10:07:21,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:21,196 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:21,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 10:07:21,196 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:21,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:21,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1601203223, now seen corresponding path program 1 times [2024-10-11 10:07:21,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:21,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404354267] [2024-10-11 10:07:21,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:26,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:26,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404354267] [2024-10-11 10:07:26,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404354267] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:26,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:26,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:07:26,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87285276] [2024-10-11 10:07:26,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:26,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:07:26,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:26,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:07:26,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:07:26,052 INFO L87 Difference]: Start difference. First operand 570 states and 832 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:28,712 INFO L93 Difference]: Finished difference Result 975 states and 1418 transitions. [2024-10-11 10:07:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 10:07:28,713 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-11 10:07:28,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:28,716 INFO L225 Difference]: With dead ends: 975 [2024-10-11 10:07:28,716 INFO L226 Difference]: Without dead ends: 743 [2024-10-11 10:07:28,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-10-11 10:07:28,717 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 327 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:28,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 743 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 10:07:28,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-11 10:07:28,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 525. [2024-10-11 10:07:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 430 states have (on average 1.4046511627906977) internal successors, (604), 432 states have internal predecessors, (604), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 772 transitions. [2024-10-11 10:07:28,767 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 772 transitions. Word has length 203 [2024-10-11 10:07:28,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:28,767 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 772 transitions. [2024-10-11 10:07:28,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 10:07:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 772 transitions. [2024-10-11 10:07:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 10:07:28,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:28,769 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:28,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 10:07:28,769 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:28,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:28,769 INFO L85 PathProgramCache]: Analyzing trace with hash 58688171, now seen corresponding path program 1 times [2024-10-11 10:07:28,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:28,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125475036] [2024-10-11 10:07:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:07:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:07:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:07:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:07:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:07:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:07:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:07:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:07:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:07:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:07:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:07:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:07:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:07:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:07:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:07:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:07:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:07:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:07:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:07:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:07:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:07:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:07:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:07:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:07:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:07:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:07:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:07:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:07:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 10:07:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 10:07:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 10:07:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 10:07:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:07:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 10:07:32,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:07:32,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125475036] [2024-10-11 10:07:32,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125475036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:07:32,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:07:32,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:07:32,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421631828] [2024-10-11 10:07:32,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:07:32,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:07:32,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:07:32,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:07:32,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:07:32,517 INFO L87 Difference]: Start difference. First operand 525 states and 772 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 10:07:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:07:33,881 INFO L93 Difference]: Finished difference Result 1081 states and 1556 transitions. [2024-10-11 10:07:33,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:07:33,882 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 203 [2024-10-11 10:07:33,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:07:33,885 INFO L225 Difference]: With dead ends: 1081 [2024-10-11 10:07:33,885 INFO L226 Difference]: Without dead ends: 849 [2024-10-11 10:07:33,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:07:33,887 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 396 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:07:33,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 893 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:07:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-11 10:07:33,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 553. [2024-10-11 10:07:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 458 states have (on average 1.4039301310043668) internal successors, (643), 460 states have internal predecessors, (643), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:07:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 811 transitions. [2024-10-11 10:07:33,932 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 811 transitions. Word has length 203 [2024-10-11 10:07:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:07:33,932 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 811 transitions. [2024-10-11 10:07:33,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 10:07:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 811 transitions. [2024-10-11 10:07:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 10:07:33,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:07:33,934 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:07:33,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 10:07:33,934 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:07:33,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:07:33,935 INFO L85 PathProgramCache]: Analyzing trace with hash -334338839, now seen corresponding path program 1 times [2024-10-11 10:07:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:07:33,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348560396] [2024-10-11 10:07:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:07:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms