./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.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 fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:46:51,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:46:51,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:46:51,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:46:51,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:46:51,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:46:51,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:46:51,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:46:51,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:46:51,952 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:46:51,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:46:51,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:46:51,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:46:51,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:46:51,953 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:46:51,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:46:51,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:46:51,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:46:51,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:46:51,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:46:51,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:46:51,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:46:51,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:46:51,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:46:51,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:46:51,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:46:51,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:46:51,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:46:51,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:46:51,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:46:51,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:46:51,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:46:51,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:46:51,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:46:51,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:46:51,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:46:51,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:46:51,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc772c7bbac1de5fe64d64c143c1154d0fb749c01b6a27196c7210715a9fc32d [2024-11-12 03:46:52,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:46:52,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:46:52,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:46:52,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:46:52,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:46:52,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-12 03:46:53,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:46:53,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:46:53,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-12 03:46:53,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d527f2e84/608d78b836a0421fa10296fb2f24ea62/FLAG7f5c36a84 [2024-11-12 03:46:54,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d527f2e84/608d78b836a0421fa10296fb2f24ea62 [2024-11-12 03:46:54,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:46:54,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:46:54,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:46:54,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:46:54,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:46:54,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fef987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54, skipping insertion in model container [2024-11-12 03:46:54,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:46:54,329 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-12 03:46:54,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:46:54,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:46:54,397 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i[919,932] [2024-11-12 03:46:54,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:46:54,457 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:46:54,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54 WrapperNode [2024-11-12 03:46:54,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:46:54,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:46:54,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:46:54,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:46:54,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,536 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2024-11-12 03:46:54,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:46:54,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:46:54,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:46:54,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:46:54,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,562 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]. [2024-11-12 03:46:54,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:46:54,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:46:54,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:46:54,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:46:54,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (1/1) ... [2024-11-12 03:46:54,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:46:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:46:54,627 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) [2024-11-12 03:46:54,629 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 [2024-11-12 03:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:46:54,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:46:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:46:54,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:46:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:46:54,736 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:46:54,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:46:55,057 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-12 03:46:55,057 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:46:55,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:46:55,073 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:46:55,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:46:55 BoogieIcfgContainer [2024-11-12 03:46:55,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:46:55,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:46:55,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:46:55,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:46:55,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:46:54" (1/3) ... [2024-11-12 03:46:55,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75636b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:46:55, skipping insertion in model container [2024-11-12 03:46:55,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:46:54" (2/3) ... [2024-11-12 03:46:55,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75636b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:46:55, skipping insertion in model container [2024-11-12 03:46:55,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:46:55" (3/3) ... [2024-11-12 03:46:55,082 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-66.i [2024-11-12 03:46:55,095 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:46:55,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:46:55,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:46:55,154 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;@1808e70c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:46:55,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:46:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 03:46:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:46:55,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:46:55,171 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:46:55,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:46:55,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:46:55,178 INFO L85 PathProgramCache]: Analyzing trace with hash 661058656, now seen corresponding path program 1 times [2024-11-12 03:46:55,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:46:55,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726238671] [2024-11-12 03:46:55,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:46:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:46:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:46:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:46:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:46:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:46:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:46:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:46:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:46:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:46:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:46:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:46:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:46:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:46:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:46:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:46:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:46:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:46:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:46:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:46:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:46:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:46:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:46:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:46:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:46:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:46:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:46:55,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:46:55,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726238671] [2024-11-12 03:46:55,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726238671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:46:55,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:46:55,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:46:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861498748] [2024-11-12 03:46:55,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:46:55,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:46:55,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:46:55,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:46:55,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:46:55,689 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-12 03:46:55,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:46:55,711 INFO L93 Difference]: Finished difference Result 159 states and 280 transitions. [2024-11-12 03:46:55,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:46:55,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-11-12 03:46:55,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:46:55,720 INFO L225 Difference]: With dead ends: 159 [2024-11-12 03:46:55,720 INFO L226 Difference]: Without dead ends: 78 [2024-11-12 03:46:55,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:46:55,725 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:46:55,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:46:55,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-12 03:46:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-12 03:46:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-12 03:46:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-11-12 03:46:55,758 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 160 [2024-11-12 03:46:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:46:55,758 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-11-12 03:46:55,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-12 03:46:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-11-12 03:46:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:46:55,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:46:55,761 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:46:55,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:46:55,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:46:55,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:46:55,762 INFO L85 PathProgramCache]: Analyzing trace with hash 254920988, now seen corresponding path program 1 times [2024-11-12 03:46:55,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:46:55,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413139975] [2024-11-12 03:46:55,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:46:55,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:46:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:46:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:46:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:46:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:46:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:46:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:46:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:46:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:46:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:46:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:46:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:46:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:46:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:46:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:46:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:46:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:46:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:46:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:46:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:46:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:46:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:46:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:46:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:46:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:46:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:46:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:46:57,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:46:57,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413139975] [2024-11-12 03:46:57,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413139975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:46:57,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:46:57,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 03:46:57,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131928891] [2024-11-12 03:46:57,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:46:57,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 03:46:57,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:46:57,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 03:46:57,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 03:46:57,633 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:46:58,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:46:58,349 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-11-12 03:46:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:46:58,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-12 03:46:58,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:46:58,353 INFO L225 Difference]: With dead ends: 226 [2024-11-12 03:46:58,353 INFO L226 Difference]: Without dead ends: 151 [2024-11-12 03:46:58,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:46:58,354 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 357 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 03:46:58,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 281 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 03:46:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-12 03:46:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 118. [2024-11-12 03:46:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 03:46:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2024-11-12 03:46:58,393 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 160 [2024-11-12 03:46:58,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:46:58,393 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2024-11-12 03:46:58,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:46:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2024-11-12 03:46:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:46:58,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:46:58,396 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:46:58,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:46:58,396 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:46:58,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:46:58,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2029928350, now seen corresponding path program 1 times [2024-11-12 03:46:58,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:46:58,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950655731] [2024-11-12 03:46:58,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:46:58,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:46:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:47:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:47:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:47:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:47:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:47:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:47:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:47:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:47:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:47:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:47:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:47:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:47:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:47:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:47:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:47:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:47:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:47:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:47:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:47:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:47:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:47:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:47:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:47:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:47:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:47:06,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:47:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950655731] [2024-11-12 03:47:06,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950655731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:47:06,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:47:06,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:47:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769508482] [2024-11-12 03:47:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:47:06,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:47:06,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:47:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:47:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:47:06,469 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:47:08,783 INFO L93 Difference]: Finished difference Result 533 states and 778 transitions. [2024-11-12 03:47:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:47:08,784 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:47:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:47:08,793 INFO L225 Difference]: With dead ends: 533 [2024-11-12 03:47:08,793 INFO L226 Difference]: Without dead ends: 418 [2024-11-12 03:47:08,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:47:08,797 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 357 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:47:08,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 642 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 03:47:08,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-12 03:47:08,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 216. [2024-11-12 03:47:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 157 states have (on average 1.375796178343949) internal successors, (216), 158 states have internal predecessors, (216), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 03:47:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 316 transitions. [2024-11-12 03:47:08,850 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 316 transitions. Word has length 160 [2024-11-12 03:47:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:47:08,850 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 316 transitions. [2024-11-12 03:47:08,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 316 transitions. [2024-11-12 03:47:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:47:08,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:47:08,853 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:47:08,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:47:08,853 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:47:08,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:47:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2031775392, now seen corresponding path program 1 times [2024-11-12 03:47:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:47:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472803043] [2024-11-12 03:47:08,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:47:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:47:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:47:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:47:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:47:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:47:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:47:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:47:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:47:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:47:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:47:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:47:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:47:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:47:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:47:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:47:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:47:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:47:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:47:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:47:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:47:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:47:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:47:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:47:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:47:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:47:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:47:47,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:47:47,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472803043] [2024-11-12 03:47:47,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472803043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:47:47,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:47:47,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:47:47,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772248514] [2024-11-12 03:47:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:47:47,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:47:47,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:47:47,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:47:47,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:47:47,381 INFO L87 Difference]: Start difference. First operand 216 states and 316 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:49,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:47:49,356 INFO L93 Difference]: Finished difference Result 363 states and 519 transitions. [2024-11-12 03:47:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:47:49,357 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:47:49,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:47:49,359 INFO L225 Difference]: With dead ends: 363 [2024-11-12 03:47:49,363 INFO L226 Difference]: Without dead ends: 361 [2024-11-12 03:47:49,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:47:49,367 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 285 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:47:49,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 714 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:47:49,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-12 03:47:49,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 216. [2024-11-12 03:47:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 157 states have (on average 1.375796178343949) internal successors, (216), 158 states have internal predecessors, (216), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 03:47:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 316 transitions. [2024-11-12 03:47:49,425 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 316 transitions. Word has length 160 [2024-11-12 03:47:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:47:49,426 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 316 transitions. [2024-11-12 03:47:49,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 316 transitions. [2024-11-12 03:47:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:47:49,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:47:49,432 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:47:49,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:47:49,433 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:47:49,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:47:49,433 INFO L85 PathProgramCache]: Analyzing trace with hash -3244450, now seen corresponding path program 1 times [2024-11-12 03:47:49,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:47:49,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670385804] [2024-11-12 03:47:49,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:47:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:47:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:47:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:47:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:47:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:47:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:47:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:47:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:47:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:47:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:47:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:47:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:47:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:47:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:47:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:47:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:47:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:47:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:47:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:47:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:47:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:47:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:47:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:47:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:47:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:47:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:47:49,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:47:49,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670385804] [2024-11-12 03:47:49,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670385804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:47:49,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:47:49,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:47:49,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228440959] [2024-11-12 03:47:49,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:47:49,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:47:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:47:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:47:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:47:49,883 INFO L87 Difference]: Start difference. First operand 216 states and 316 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:47:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:47:50,183 INFO L93 Difference]: Finished difference Result 392 states and 565 transitions. [2024-11-12 03:47:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:47:50,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-12 03:47:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:47:50,185 INFO L225 Difference]: With dead ends: 392 [2024-11-12 03:47:50,186 INFO L226 Difference]: Without dead ends: 277 [2024-11-12 03:47:50,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:47:50,187 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 249 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:47:50,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 232 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:47:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-12 03:47:50,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 221. [2024-11-12 03:47:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 162 states have (on average 1.376543209876543) internal successors, (223), 163 states have internal predecessors, (223), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 03:47:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 323 transitions. [2024-11-12 03:47:50,211 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 323 transitions. Word has length 160 [2024-11-12 03:47:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:47:50,212 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 323 transitions. [2024-11-12 03:47:50,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:47:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 323 transitions. [2024-11-12 03:47:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:47:50,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:47:50,213 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:47:50,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:47:50,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:47:50,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:47:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1771762912, now seen corresponding path program 1 times [2024-11-12 03:47:50,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:47:50,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052935919] [2024-11-12 03:47:50,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:47:50,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:47:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:47:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:47:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:47:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:47:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:47:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:47:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:47:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:47:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:47:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:47:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:47:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:47:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:47:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:47:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:47:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:47:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:47:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:47:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:47:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:47:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:47:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:47:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:47:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:47:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:47:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:47:54,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:47:54,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052935919] [2024-11-12 03:47:54,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052935919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:47:54,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:47:54,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:47:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621867143] [2024-11-12 03:47:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:47:54,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:47:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:47:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:47:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:47:54,796 INFO L87 Difference]: Start difference. First operand 221 states and 323 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:47:57,475 INFO L93 Difference]: Finished difference Result 366 states and 514 transitions. [2024-11-12 03:47:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:47:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:47:57,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:47:57,481 INFO L225 Difference]: With dead ends: 366 [2024-11-12 03:47:57,481 INFO L226 Difference]: Without dead ends: 364 [2024-11-12 03:47:57,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:47:57,487 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 403 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:47:57,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 621 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 03:47:57,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-12 03:47:57,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 225. [2024-11-12 03:47:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 167 states have internal predecessors, (228), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 03:47:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 328 transitions. [2024-11-12 03:47:57,543 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 328 transitions. Word has length 160 [2024-11-12 03:47:57,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:47:57,543 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 328 transitions. [2024-11-12 03:47:57,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:47:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 328 transitions. [2024-11-12 03:47:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:47:57,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:47:57,546 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:47:57,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:47:57,547 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:47:57,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:47:57,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1773609954, now seen corresponding path program 1 times [2024-11-12 03:47:57,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:47:57,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798931707] [2024-11-12 03:47:57,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:47:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:47:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:02,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:02,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798931707] [2024-11-12 03:48:02,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798931707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:02,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:02,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 03:48:02,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876408208] [2024-11-12 03:48:02,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:02,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 03:48:02,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:02,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 03:48:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 03:48:02,262 INFO L87 Difference]: Start difference. First operand 225 states and 328 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:03,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:03,743 INFO L93 Difference]: Finished difference Result 364 states and 512 transitions. [2024-11-12 03:48:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-12 03:48:03,743 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:48:03,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:03,748 INFO L225 Difference]: With dead ends: 364 [2024-11-12 03:48:03,749 INFO L226 Difference]: Without dead ends: 362 [2024-11-12 03:48:03,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2024-11-12 03:48:03,749 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 328 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:03,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 729 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 03:48:03,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-12 03:48:03,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 221. [2024-11-12 03:48:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 162 states have (on average 1.376543209876543) internal successors, (223), 163 states have internal predecessors, (223), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-12 03:48:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 323 transitions. [2024-11-12 03:48:03,803 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 323 transitions. Word has length 160 [2024-11-12 03:48:03,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:03,806 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 323 transitions. [2024-11-12 03:48:03,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 323 transitions. [2024-11-12 03:48:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:48:03,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:03,808 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:03,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:48:03,808 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:03,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:03,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1008859996, now seen corresponding path program 1 times [2024-11-12 03:48:03,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:03,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657999934] [2024-11-12 03:48:03,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:03,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:03,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657999934] [2024-11-12 03:48:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657999934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:48:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894496895] [2024-11-12 03:48:03,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:03,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:48:03,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:03,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:48:03,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:48:03,890 INFO L87 Difference]: Start difference. First operand 221 states and 323 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:03,984 INFO L93 Difference]: Finished difference Result 463 states and 687 transitions. [2024-11-12 03:48:03,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:48:03,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:48:03,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:03,987 INFO L225 Difference]: With dead ends: 463 [2024-11-12 03:48:03,987 INFO L226 Difference]: Without dead ends: 343 [2024-11-12 03:48:03,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:48:03,988 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 102 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:03,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 316 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:48:03,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-12 03:48:04,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 341. [2024-11-12 03:48:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 252 states have (on average 1.3333333333333333) internal successors, (336), 254 states have internal predecessors, (336), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 03:48:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 488 transitions. [2024-11-12 03:48:04,025 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 488 transitions. Word has length 160 [2024-11-12 03:48:04,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:04,026 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 488 transitions. [2024-11-12 03:48:04,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 488 transitions. [2024-11-12 03:48:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:48:04,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:04,027 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:04,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 03:48:04,028 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:04,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:04,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1709924574, now seen corresponding path program 1 times [2024-11-12 03:48:04,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:04,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434319981] [2024-11-12 03:48:04,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:04,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:05,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434319981] [2024-11-12 03:48:05,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434319981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:05,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:05,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 03:48:05,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989302521] [2024-11-12 03:48:05,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:05,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 03:48:05,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:05,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 03:48:05,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:48:05,396 INFO L87 Difference]: Start difference. First operand 341 states and 488 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:06,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:06,449 INFO L93 Difference]: Finished difference Result 740 states and 1036 transitions. [2024-11-12 03:48:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 03:48:06,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-12 03:48:06,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:06,452 INFO L225 Difference]: With dead ends: 740 [2024-11-12 03:48:06,452 INFO L226 Difference]: Without dead ends: 531 [2024-11-12 03:48:06,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:48:06,454 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 458 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:06,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 673 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 03:48:06,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-12 03:48:06,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 468. [2024-11-12 03:48:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 349 states have (on average 1.329512893982808) internal successors, (464), 352 states have internal predecessors, (464), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 03:48:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 668 transitions. [2024-11-12 03:48:06,538 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 668 transitions. Word has length 160 [2024-11-12 03:48:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:06,540 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 668 transitions. [2024-11-12 03:48:06,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 668 transitions. [2024-11-12 03:48:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:48:06,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:06,544 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:06,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 03:48:06,545 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:06,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:06,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1451759136, now seen corresponding path program 1 times [2024-11-12 03:48:06,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:06,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489292220] [2024-11-12 03:48:06,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:06,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:06,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:06,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489292220] [2024-11-12 03:48:06,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489292220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:06,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:06,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:48:06,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819049962] [2024-11-12 03:48:06,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:06,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:48:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:06,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:48:06,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:48:06,672 INFO L87 Difference]: Start difference. First operand 468 states and 668 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:06,889 INFO L93 Difference]: Finished difference Result 852 states and 1198 transitions. [2024-11-12 03:48:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:48:06,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-11-12 03:48:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:06,893 INFO L225 Difference]: With dead ends: 852 [2024-11-12 03:48:06,893 INFO L226 Difference]: Without dead ends: 530 [2024-11-12 03:48:06,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:48:06,894 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 92 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:06,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 405 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:48:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-12 03:48:06,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 473. [2024-11-12 03:48:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 354 states have (on average 1.3276836158192091) internal successors, (470), 357 states have internal predecessors, (470), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 03:48:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 674 transitions. [2024-11-12 03:48:06,949 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 674 transitions. Word has length 160 [2024-11-12 03:48:06,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:06,949 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 674 transitions. [2024-11-12 03:48:06,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-12 03:48:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 674 transitions. [2024-11-12 03:48:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 03:48:06,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:06,951 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:06,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 03:48:06,951 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:06,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash 340984608, now seen corresponding path program 1 times [2024-11-12 03:48:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:06,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614954739] [2024-11-12 03:48:06,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:07,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:07,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614954739] [2024-11-12 03:48:07,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614954739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:07,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:07,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 03:48:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133549900] [2024-11-12 03:48:07,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:07,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 03:48:07,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:07,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 03:48:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 03:48:07,385 INFO L87 Difference]: Start difference. First operand 473 states and 674 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-12 03:48:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:08,174 INFO L93 Difference]: Finished difference Result 1329 states and 1867 transitions. [2024-11-12 03:48:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 03:48:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-11-12 03:48:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:08,180 INFO L225 Difference]: With dead ends: 1329 [2024-11-12 03:48:08,180 INFO L226 Difference]: Without dead ends: 965 [2024-11-12 03:48:08,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-12 03:48:08,184 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 294 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:08,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 681 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 03:48:08,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-11-12 03:48:08,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 739. [2024-11-12 03:48:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 560 states have (on average 1.3089285714285714) internal successors, (733), 565 states have internal predecessors, (733), 154 states have call successors, (154), 24 states have call predecessors, (154), 24 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-12 03:48:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1041 transitions. [2024-11-12 03:48:08,270 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1041 transitions. Word has length 160 [2024-11-12 03:48:08,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:08,271 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1041 transitions. [2024-11-12 03:48:08,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-12 03:48:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1041 transitions. [2024-11-12 03:48:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 03:48:08,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:08,273 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:08,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 03:48:08,273 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:08,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:08,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1569158131, now seen corresponding path program 1 times [2024-11-12 03:48:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:08,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522875108] [2024-11-12 03:48:08,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:08,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:11,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522875108] [2024-11-12 03:48:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522875108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 03:48:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938773854] [2024-11-12 03:48:11,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:11,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 03:48:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 03:48:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 03:48:11,187 INFO L87 Difference]: Start difference. First operand 739 states and 1041 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:12,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:12,181 INFO L93 Difference]: Finished difference Result 1364 states and 1886 transitions. [2024-11-12 03:48:12,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:48:12,182 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 161 [2024-11-12 03:48:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:12,186 INFO L225 Difference]: With dead ends: 1364 [2024-11-12 03:48:12,186 INFO L226 Difference]: Without dead ends: 1017 [2024-11-12 03:48:12,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:48:12,188 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 447 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:12,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 308 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 03:48:12,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2024-11-12 03:48:12,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 629. [2024-11-12 03:48:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 460 states have (on average 1.2978260869565217) internal successors, (597), 460 states have internal predecessors, (597), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-12 03:48:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 885 transitions. [2024-11-12 03:48:12,285 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 885 transitions. Word has length 161 [2024-11-12 03:48:12,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:12,285 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 885 transitions. [2024-11-12 03:48:12,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 885 transitions. [2024-11-12 03:48:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 03:48:12,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:12,287 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:12,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 03:48:12,287 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:12,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:12,288 INFO L85 PathProgramCache]: Analyzing trace with hash -950801803, now seen corresponding path program 1 times [2024-11-12 03:48:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:12,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499036165] [2024-11-12 03:48:12,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-12 03:48:12,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499036165] [2024-11-12 03:48:12,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499036165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 03:48:12,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089014378] [2024-11-12 03:48:12,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 03:48:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:48:12,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 03:48:12,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 03:48:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:12,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 03:48:12,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 03:48:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 665 proven. 39 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-12 03:48:13,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 03:48:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-12 03:48:13,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089014378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 03:48:13,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 03:48:13,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-12 03:48:13,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295923201] [2024-11-12 03:48:13,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 03:48:13,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 03:48:13,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:13,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 03:48:13,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-12 03:48:13,665 INFO L87 Difference]: Start difference. First operand 629 states and 885 transitions. Second operand has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-12 03:48:16,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:16,647 INFO L93 Difference]: Finished difference Result 4423 states and 6012 transitions. [2024-11-12 03:48:16,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-12 03:48:16,648 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) Word has length 161 [2024-11-12 03:48:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:16,663 INFO L225 Difference]: With dead ends: 4423 [2024-11-12 03:48:16,664 INFO L226 Difference]: Without dead ends: 3829 [2024-11-12 03:48:16,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1470, Invalid=4536, Unknown=0, NotChecked=0, Total=6006 [2024-11-12 03:48:16,669 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1136 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:16,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 951 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:48:16,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2024-11-12 03:48:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 2130. [2024-11-12 03:48:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1496 states have (on average 1.2286096256684491) internal successors, (1838), 1506 states have internal predecessors, (1838), 508 states have call successors, (508), 125 states have call predecessors, (508), 125 states have return successors, (508), 498 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-12 03:48:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2854 transitions. [2024-11-12 03:48:17,119 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2854 transitions. Word has length 161 [2024-11-12 03:48:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:17,119 INFO L471 AbstractCegarLoop]: Abstraction has 2130 states and 2854 transitions. [2024-11-12 03:48:17,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (60), 3 states have call predecessors, (60), 6 states have return successors, (60), 6 states have call predecessors, (60), 6 states have call successors, (60) [2024-11-12 03:48:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2854 transitions. [2024-11-12 03:48:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 03:48:17,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:17,121 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:17,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 03:48:17,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-12 03:48:17,322 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:17,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:17,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1310992693, now seen corresponding path program 1 times [2024-11-12 03:48:17,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:17,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987708801] [2024-11-12 03:48:17,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:17,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987708801] [2024-11-12 03:48:17,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987708801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:17,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:17,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:48:17,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720435251] [2024-11-12 03:48:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:17,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:48:17,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:17,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:48:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:48:17,586 INFO L87 Difference]: Start difference. First operand 2130 states and 2854 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:18,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:18,477 INFO L93 Difference]: Finished difference Result 4689 states and 6174 transitions. [2024-11-12 03:48:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:48:18,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 161 [2024-11-12 03:48:18,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:18,490 INFO L225 Difference]: With dead ends: 4689 [2024-11-12 03:48:18,490 INFO L226 Difference]: Without dead ends: 2639 [2024-11-12 03:48:18,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 03:48:18,496 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 214 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:18,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 243 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:48:18,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2024-11-12 03:48:18,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 1871. [2024-11-12 03:48:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1309 states have (on average 1.218487394957983) internal successors, (1595), 1318 states have internal predecessors, (1595), 450 states have call successors, (450), 111 states have call predecessors, (450), 111 states have return successors, (450), 441 states have call predecessors, (450), 450 states have call successors, (450) [2024-11-12 03:48:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2495 transitions. [2024-11-12 03:48:18,919 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2495 transitions. Word has length 161 [2024-11-12 03:48:18,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:48:18,920 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2495 transitions. [2024-11-12 03:48:18,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-12 03:48:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2495 transitions. [2024-11-12 03:48:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-12 03:48:18,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:48:18,923 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:48:18,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 03:48:18,923 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:48:18,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:48:18,923 INFO L85 PathProgramCache]: Analyzing trace with hash -329242443, now seen corresponding path program 1 times [2024-11-12 03:48:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:48:18,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513146650] [2024-11-12 03:48:18,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:48:18,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:48:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:48:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:48:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:48:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:48:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:48:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:48:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:48:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:48:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:48:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:48:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:48:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:48:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:48:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:48:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:48:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:48:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:48:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:48:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:48:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:48:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:48:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:48:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:48:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:48:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:48:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-12 03:48:19,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:48:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513146650] [2024-11-12 03:48:19,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513146650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:48:19,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:48:19,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:48:19,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865022725] [2024-11-12 03:48:19,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:48:19,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:48:19,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:48:19,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:48:19,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:48:19,940 INFO L87 Difference]: Start difference. First operand 1871 states and 2495 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-12 03:48:21,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:48:21,091 INFO L93 Difference]: Finished difference Result 3829 states and 5063 transitions. [2024-11-12 03:48:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:48:21,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-11-12 03:48:21,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:48:21,101 INFO L225 Difference]: With dead ends: 3829 [2024-11-12 03:48:21,102 INFO L226 Difference]: Without dead ends: 2068 [2024-11-12 03:48:21,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-12 03:48:21,107 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 316 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 03:48:21,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 532 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 03:48:21,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states.