./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_floatingpointinfluence_no-floats_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-85.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5ed89ea29299420fd60462f8e2db8b26e06e69feba35ce63f47be6d1e493230 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:41:12,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:41:13,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:41:13,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:41:13,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:41:13,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:41:13,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:41:13,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:41:13,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:41:13,097 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:41:13,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:41:13,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:41:13,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:41:13,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:41:13,100 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:41:13,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:41:13,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:41:13,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:41:13,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:41:13,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:41:13,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:41:13,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:41:13,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:41:13,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:41:13,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:41:13,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:41:13,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:41:13,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:41:13,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:41:13,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:41:13,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:41:13,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:41:13,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:41:13,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:41:13,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:41:13,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:41:13,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:41:13,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:41:13,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:41:13,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:41:13,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:41:13,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:41:13,115 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5ed89ea29299420fd60462f8e2db8b26e06e69feba35ce63f47be6d1e493230 [2024-10-13 03:41:13,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:41:13,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:41:13,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:41:13,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:41:13,413 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:41:13,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-85.i [2024-10-13 03:41:14,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:41:15,130 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:41:15,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-85.i [2024-10-13 03:41:15,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d2820c5/bb5f08e7fee949c388594008baf6fb2f/FLAGb47f713f3 [2024-10-13 03:41:15,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d2820c5/bb5f08e7fee949c388594008baf6fb2f [2024-10-13 03:41:15,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:41:15,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:41:15,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:41:15,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:41:15,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:41:15,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a42921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15, skipping insertion in model container [2024-10-13 03:41:15,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:41:15,725 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-85.i[916,929] [2024-10-13 03:41:15,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:41:15,806 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:41:15,821 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_floatingpointinfluence_no-floats_file-85.i[916,929] [2024-10-13 03:41:15,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:41:15,861 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:41:15,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15 WrapperNode [2024-10-13 03:41:15,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:41:15,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:41:15,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:41:15,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:41:15,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,912 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-10-13 03:41:15,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:41:15,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:41:15,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:41:15,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:41:15,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 03:41:15,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:41:15,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:41:15,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:41:15,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:41:15,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (1/1) ... [2024-10-13 03:41:15,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:41:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:41:16,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 03:41:16,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 03:41:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:41:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:41:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:41:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:41:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:41:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:41:16,169 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:41:16,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:41:16,522 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-13 03:41:16,523 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:41:16,564 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:41:16,564 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:41:16,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:41:16 BoogieIcfgContainer [2024-10-13 03:41:16,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:41:16,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:41:16,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:41:16,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:41:16,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:41:15" (1/3) ... [2024-10-13 03:41:16,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28af16dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:41:16, skipping insertion in model container [2024-10-13 03:41:16,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:41:15" (2/3) ... [2024-10-13 03:41:16,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28af16dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:41:16, skipping insertion in model container [2024-10-13 03:41:16,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:41:16" (3/3) ... [2024-10-13 03:41:16,577 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-85.i [2024-10-13 03:41:16,592 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:41:16,593 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:41:16,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:41:16,665 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;@3ae7bb4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:41:16,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:41:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 03:41:16,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:16,684 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:16,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:16,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -682589884, now seen corresponding path program 1 times [2024-10-13 03:41:16,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506939693] [2024-10-13 03:41:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506939693] [2024-10-13 03:41:17,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506939693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:17,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:17,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:41:17,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308011385] [2024-10-13 03:41:17,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:17,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:41:17,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:17,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:41:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:41:17,195 INFO L87 Difference]: Start difference. First operand has 53 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 03:41:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:17,249 INFO L93 Difference]: Finished difference Result 103 states and 187 transitions. [2024-10-13 03:41:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:41:17,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2024-10-13 03:41:17,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:17,260 INFO L225 Difference]: With dead ends: 103 [2024-10-13 03:41:17,260 INFO L226 Difference]: Without dead ends: 51 [2024-10-13 03:41:17,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:41:17,269 INFO L432 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:17,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:41:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-13 03:41:17,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-13 03:41:17,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:17,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 78 transitions. [2024-10-13 03:41:17,322 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 78 transitions. Word has length 135 [2024-10-13 03:41:17,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:17,323 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 78 transitions. [2024-10-13 03:41:17,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-13 03:41:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-10-13 03:41:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 03:41:17,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:17,329 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:17,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:41:17,330 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:17,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:17,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1279187578, now seen corresponding path program 1 times [2024-10-13 03:41:17,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:17,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570645174] [2024-10-13 03:41:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:17,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:25,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:25,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570645174] [2024-10-13 03:41:25,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570645174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:25,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:25,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:41:25,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14036532] [2024-10-13 03:41:25,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:25,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:41:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:41:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:41:25,880 INFO L87 Difference]: Start difference. First operand 51 states and 78 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:27,403 INFO L93 Difference]: Finished difference Result 89 states and 122 transitions. [2024-10-13 03:41:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:41:27,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 135 [2024-10-13 03:41:27,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:27,408 INFO L225 Difference]: With dead ends: 89 [2024-10-13 03:41:27,410 INFO L226 Difference]: Without dead ends: 87 [2024-10-13 03:41:27,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:41:27,411 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 80 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:27,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 198 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 03:41:27,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-13 03:41:27,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 60. [2024-10-13 03:41:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2024-10-13 03:41:27,441 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 135 [2024-10-13 03:41:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:27,443 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2024-10-13 03:41:27,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-10-13 03:41:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 03:41:27,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:27,448 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:27,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:41:27,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:27,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:27,450 INFO L85 PathProgramCache]: Analyzing trace with hash 495819784, now seen corresponding path program 1 times [2024-10-13 03:41:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:27,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603549586] [2024-10-13 03:41:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:34,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603549586] [2024-10-13 03:41:34,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603549586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:34,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:34,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:41:34,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619786657] [2024-10-13 03:41:34,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:34,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:41:34,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:41:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:41:34,047 INFO L87 Difference]: Start difference. First operand 60 states and 88 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:36,517 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2024-10-13 03:41:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:41:36,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 135 [2024-10-13 03:41:36,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:36,519 INFO L225 Difference]: With dead ends: 92 [2024-10-13 03:41:36,519 INFO L226 Difference]: Without dead ends: 90 [2024-10-13 03:41:36,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:41:36,521 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 64 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:36,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 220 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:41:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-13 03:41:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 58. [2024-10-13 03:41:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-10-13 03:41:36,541 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 135 [2024-10-13 03:41:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:36,542 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-10-13 03:41:36,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-10-13 03:41:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:41:36,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:36,548 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:36,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:41:36,548 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:36,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1000663725, now seen corresponding path program 1 times [2024-10-13 03:41:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511726168] [2024-10-13 03:41:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:43,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:43,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511726168] [2024-10-13 03:41:43,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511726168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:43,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:43,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:41:43,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363835852] [2024-10-13 03:41:43,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:43,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:41:43,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:43,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:41:43,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:41:43,910 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:44,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:44,968 INFO L93 Difference]: Finished difference Result 102 states and 137 transitions. [2024-10-13 03:41:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:41:44,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:41:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:44,970 INFO L225 Difference]: With dead ends: 102 [2024-10-13 03:41:44,970 INFO L226 Difference]: Without dead ends: 100 [2024-10-13 03:41:44,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:41:44,971 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 79 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:44,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 215 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 03:41:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-13 03:41:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 62. [2024-10-13 03:41:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2024-10-13 03:41:44,994 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 136 [2024-10-13 03:41:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:44,995 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2024-10-13 03:41:44,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2024-10-13 03:41:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:41:45,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:45,000 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:45,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:41:45,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:45,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1000604143, now seen corresponding path program 1 times [2024-10-13 03:41:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192880817] [2024-10-13 03:41:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:49,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:49,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192880817] [2024-10-13 03:41:49,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192880817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:49,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:49,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:41:49,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468593813] [2024-10-13 03:41:49,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:49,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:41:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:41:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:41:49,225 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:51,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:51,848 INFO L93 Difference]: Finished difference Result 120 states and 159 transitions. [2024-10-13 03:41:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 03:41:51,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:41:51,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:51,850 INFO L225 Difference]: With dead ends: 120 [2024-10-13 03:41:51,850 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 03:41:51,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:41:51,851 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 79 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:51,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 353 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:41:51,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 03:41:51,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 65. [2024-10-13 03:41:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 03:41:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 98 transitions. [2024-10-13 03:41:51,869 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 98 transitions. Word has length 136 [2024-10-13 03:41:51,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:51,870 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 98 transitions. [2024-10-13 03:41:51,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2024-10-13 03:41:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:41:51,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:51,872 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:51,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:41:51,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:51,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:51,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1238157577, now seen corresponding path program 1 times [2024-10-13 03:41:51,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:51,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294447774] [2024-10-13 03:41:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:41:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:41:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:41:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:41:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:41:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:41:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:41:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:41:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:41:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:41:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:41:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:41:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:41:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:41:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:41:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:41:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:41:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:41:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:41:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:41:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:41:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:41:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:41:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:41:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:41:57,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:41:57,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294447774] [2024-10-13 03:41:57,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294447774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:41:57,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:41:57,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:41:57,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474925647] [2024-10-13 03:41:57,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:41:57,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:41:57,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:41:57,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:41:57,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:41:57,614 INFO L87 Difference]: Start difference. First operand 65 states and 98 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:59,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:41:59,737 INFO L93 Difference]: Finished difference Result 175 states and 247 transitions. [2024-10-13 03:41:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:41:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:41:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:41:59,739 INFO L225 Difference]: With dead ends: 175 [2024-10-13 03:41:59,739 INFO L226 Difference]: Without dead ends: 111 [2024-10-13 03:41:59,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:41:59,741 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 88 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:41:59,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 315 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 03:41:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-13 03:41:59,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 80. [2024-10-13 03:41:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 49 states have internal predecessors, (61), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:41:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions. [2024-10-13 03:41:59,764 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 136 [2024-10-13 03:41:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:41:59,765 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 115 transitions. [2024-10-13 03:41:59,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:41:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2024-10-13 03:41:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:41:59,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:41:59,767 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:41:59,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:41:59,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:41:59,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:41:59,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1240004619, now seen corresponding path program 1 times [2024-10-13 03:41:59,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:41:59,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269371954] [2024-10-13 03:41:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:41:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:41:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:42:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:42:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:42:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:42:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:42:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:42:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269371954] [2024-10-13 03:42:06,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269371954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:06,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:42:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344426582] [2024-10-13 03:42:06,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:06,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:42:06,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:42:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:42:06,764 INFO L87 Difference]: Start difference. First operand 80 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:08,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:08,914 INFO L93 Difference]: Finished difference Result 109 states and 145 transitions. [2024-10-13 03:42:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:42:08,915 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:42:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:08,917 INFO L225 Difference]: With dead ends: 109 [2024-10-13 03:42:08,917 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 03:42:08,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:42:08,918 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 73 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:08,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 262 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 03:42:08,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 03:42:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 80. [2024-10-13 03:42:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 49 states have internal predecessors, (61), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:42:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions. [2024-10-13 03:42:08,943 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 136 [2024-10-13 03:42:08,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:08,944 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 115 transitions. [2024-10-13 03:42:08,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2024-10-13 03:42:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:42:08,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:08,946 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:08,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:42:08,946 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:08,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1810010351, now seen corresponding path program 1 times [2024-10-13 03:42:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463658937] [2024-10-13 03:42:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:42:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:42:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:42:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:42:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:42:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:42:14,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:14,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463658937] [2024-10-13 03:42:14,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463658937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:14,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:14,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:42:14,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336326998] [2024-10-13 03:42:14,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:14,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:42:14,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:42:14,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:42:14,314 INFO L87 Difference]: Start difference. First operand 80 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:15,110 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2024-10-13 03:42:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:42:15,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:42:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:15,112 INFO L225 Difference]: With dead ends: 110 [2024-10-13 03:42:15,113 INFO L226 Difference]: Without dead ends: 108 [2024-10-13 03:42:15,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:42:15,113 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 68 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:15,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 243 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:42:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-13 03:42:15,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 81. [2024-10-13 03:42:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:42:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2024-10-13 03:42:15,140 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 136 [2024-10-13 03:42:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:15,141 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2024-10-13 03:42:15,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2024-10-13 03:42:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:42:15,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:15,143 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:15,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:42:15,143 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:15,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1809950769, now seen corresponding path program 1 times [2024-10-13 03:42:15,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:15,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824352310] [2024-10-13 03:42:15,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:42:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:42:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:42:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:42:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:42:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:42:18,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:18,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824352310] [2024-10-13 03:42:18,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824352310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:18,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:18,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 03:42:18,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786778681] [2024-10-13 03:42:18,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:18,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 03:42:18,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:18,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 03:42:18,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:42:18,077 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:18,415 INFO L93 Difference]: Finished difference Result 124 states and 163 transitions. [2024-10-13 03:42:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:42:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:42:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:18,417 INFO L225 Difference]: With dead ends: 124 [2024-10-13 03:42:18,417 INFO L226 Difference]: Without dead ends: 122 [2024-10-13 03:42:18,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:42:18,418 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 65 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:18,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 390 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:42:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-13 03:42:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 78. [2024-10-13 03:42:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 47 states have internal predecessors, (57), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:42:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2024-10-13 03:42:18,439 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 136 [2024-10-13 03:42:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:18,440 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2024-10-13 03:42:18,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-10-13 03:42:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:42:18,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:18,441 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:18,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:42:18,442 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:18,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2047504203, now seen corresponding path program 1 times [2024-10-13 03:42:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:18,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953194178] [2024-10-13 03:42:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:42:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:42:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:42:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:42:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:42:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:42:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:23,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953194178] [2024-10-13 03:42:23,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953194178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:23,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:23,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:42:23,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250610131] [2024-10-13 03:42:23,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:23,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:42:23,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:23,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:42:23,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:42:23,490 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:25,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:25,288 INFO L93 Difference]: Finished difference Result 180 states and 250 transitions. [2024-10-13 03:42:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:42:25,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:42:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:25,290 INFO L225 Difference]: With dead ends: 180 [2024-10-13 03:42:25,290 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 03:42:25,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:42:25,291 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 66 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:25,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 361 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:42:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 03:42:25,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 78. [2024-10-13 03:42:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 47 states have internal predecessors, (57), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:42:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2024-10-13 03:42:25,313 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 136 [2024-10-13 03:42:25,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:25,313 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2024-10-13 03:42:25,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2024-10-13 03:42:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 03:42:25,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:25,315 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:25,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:42:25,315 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:25,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:25,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2049351245, now seen corresponding path program 1 times [2024-10-13 03:42:25,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:25,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058501201] [2024-10-13 03:42:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:25,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:42:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:42:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:42:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:42:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:42:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:42:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:42:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:42:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:42:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:42:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:42:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:42:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:42:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:42:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:42:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:42:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:42:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:42:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:42:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:42:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:42:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:42:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:42:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:42:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-13 03:42:31,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:42:31,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058501201] [2024-10-13 03:42:31,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058501201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:42:31,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:42:31,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:42:31,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584565551] [2024-10-13 03:42:31,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:42:31,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:42:31,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:42:31,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:42:31,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:42:31,718 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:34,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:42:34,404 INFO L93 Difference]: Finished difference Result 111 states and 148 transitions. [2024-10-13 03:42:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:42:34,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-13 03:42:34,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:42:34,406 INFO L225 Difference]: With dead ends: 111 [2024-10-13 03:42:34,406 INFO L226 Difference]: Without dead ends: 109 [2024-10-13 03:42:34,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:42:34,407 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 59 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:42:34,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 312 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 03:42:34,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-13 03:42:34,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 74. [2024-10-13 03:42:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 43 states have internal predecessors, (50), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 03:42:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2024-10-13 03:42:34,430 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 136 [2024-10-13 03:42:34,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:42:34,431 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2024-10-13 03:42:34,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-13 03:42:34,431 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2024-10-13 03:42:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-13 03:42:34,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:42:34,433 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:42:34,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:42:34,433 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:42:34,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:42:34,433 INFO L85 PathProgramCache]: Analyzing trace with hash 214008004, now seen corresponding path program 1 times [2024-10-13 03:42:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:42:34,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274181074] [2024-10-13 03:42:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:42:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:42:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat