./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_codestructure_steplocals_file-81.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 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:37:00,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:37:00,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 03:37:00,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:37:00,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:37:00,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:37:00,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:37:00,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:37:00,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:37:00,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:37:00,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:37:00,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:37:00,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:37:00,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:37:00,365 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:37:00,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:37:00,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:37:00,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 03:37:00,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 03:37:00,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 03:37:00,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:37:00,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:37:00,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:37:00,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:37:00,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:37:00,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 03:37:00,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:37:00,372 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:37:00,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:37:00,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:37:00,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:37:00,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:37:00,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:37:00,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:37:00,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:37:00,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:37:00,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 03:37:00,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 03:37:00,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:37:00,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:37:00,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:37:00,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:37:00,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa [2024-11-10 03:37:00,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:37:00,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:37:00,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:37:00,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:37:00,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:37:00,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-11-10 03:37:02,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:37:02,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:37:02,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2024-11-10 03:37:02,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177aa43ab/1f352d4b97a44ae4903669db61b66a2e/FLAGc0c9bdd5b [2024-11-10 03:37:02,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/177aa43ab/1f352d4b97a44ae4903669db61b66a2e [2024-11-10 03:37:02,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:37:02,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:37:02,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:37:02,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:37:02,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:37:02,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:37:02" (1/1) ... [2024-11-10 03:37:02,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6950c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:02, skipping insertion in model container [2024-11-10 03:37:02,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:37:02" (1/1) ... [2024-11-10 03:37:02,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:37:03,004 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_codestructure_steplocals_file-81.i[917,930] [2024-11-10 03:37:03,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:37:03,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:37:03,090 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_codestructure_steplocals_file-81.i[917,930] [2024-11-10 03:37:03,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:37:03,144 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:37:03,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03 WrapperNode [2024-11-10 03:37:03,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:37:03,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:37:03,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:37:03,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:37:03,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,235 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2024-11-10 03:37:03,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:37:03,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:37:03,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:37:03,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:37:03,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,279 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]. [2024-11-10 03:37:03,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:37:03,307 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:37:03,307 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:37:03,307 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:37:03,308 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (1/1) ... [2024-11-10 03:37:03,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:37:03,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:37:03,353 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) [2024-11-10 03:37:03,360 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 [2024-11-10 03:37:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:37:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 03:37:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 03:37:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 03:37:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:37:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:37:03,479 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:37:03,481 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:37:03,862 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L138: havoc property_#t~bitwise21#1;havoc property_#t~short22#1; [2024-11-10 03:37:03,917 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 03:37:03,921 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:37:03,951 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:37:03,951 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:37:03,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:37:03 BoogieIcfgContainer [2024-11-10 03:37:03,952 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:37:03,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:37:03,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:37:03,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:37:03,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:37:02" (1/3) ... [2024-11-10 03:37:03,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3d2566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:37:03, skipping insertion in model container [2024-11-10 03:37:03,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:37:03" (2/3) ... [2024-11-10 03:37:03,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3d2566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:37:03, skipping insertion in model container [2024-11-10 03:37:03,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:37:03" (3/3) ... [2024-11-10 03:37:03,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-81.i [2024-11-10 03:37:03,977 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:37:03,978 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:37:04,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:37:04,051 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;@45056268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:37:04,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:37:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 56 states have internal predecessors, (73), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 03:37:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 03:37:04,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:04,071 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:04,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:04,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1606021611, now seen corresponding path program 1 times [2024-11-10 03:37:04,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:04,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418753431] [2024-11-10 03:37:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:04,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:04,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:04,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418753431] [2024-11-10 03:37:04,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418753431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:04,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:04,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 03:37:04,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846059055] [2024-11-10 03:37:04,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:04,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 03:37:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:04,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 03:37:04,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:37:04,753 INFO L87 Difference]: Start difference. First operand has 90 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 56 states have internal predecessors, (73), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 03:37:04,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:04,793 INFO L93 Difference]: Finished difference Result 172 states and 299 transitions. [2024-11-10 03:37:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 03:37:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 199 [2024-11-10 03:37:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:04,806 INFO L225 Difference]: With dead ends: 172 [2024-11-10 03:37:04,806 INFO L226 Difference]: Without dead ends: 85 [2024-11-10 03:37:04,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:37:04,817 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:04,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:37:04,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-10 03:37:04,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-10 03:37:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 03:37:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 129 transitions. [2024-11-10 03:37:04,866 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 129 transitions. Word has length 199 [2024-11-10 03:37:04,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:04,866 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 129 transitions. [2024-11-10 03:37:04,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-10 03:37:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2024-11-10 03:37:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 03:37:04,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:04,874 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:04,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 03:37:04,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:04,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2024599061, now seen corresponding path program 1 times [2024-11-10 03:37:04,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:04,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014277971] [2024-11-10 03:37:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:04,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:20,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:20,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014277971] [2024-11-10 03:37:20,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014277971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:20,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:20,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 03:37:20,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377925956] [2024-11-10 03:37:20,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:20,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 03:37:20,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:20,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 03:37:20,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 03:37:20,255 INFO L87 Difference]: Start difference. First operand 85 states and 129 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:21,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:21,717 INFO L93 Difference]: Finished difference Result 267 states and 391 transitions. [2024-11-10 03:37:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 03:37:21,720 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-10 03:37:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:21,723 INFO L225 Difference]: With dead ends: 267 [2024-11-10 03:37:21,723 INFO L226 Difference]: Without dead ends: 185 [2024-11-10 03:37:21,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=214, Unknown=0, NotChecked=0, Total=342 [2024-11-10 03:37:21,729 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 260 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:21,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 557 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 03:37:21,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-10 03:37:21,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 97. [2024-11-10 03:37:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 03:37:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 148 transitions. [2024-11-10 03:37:21,756 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 148 transitions. Word has length 199 [2024-11-10 03:37:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:21,761 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 148 transitions. [2024-11-10 03:37:21,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2024-11-10 03:37:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 03:37:21,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:21,767 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:21,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 03:37:21,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:21,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:21,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1519040436, now seen corresponding path program 1 times [2024-11-10 03:37:21,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:21,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868957009] [2024-11-10 03:37:21,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:30,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:30,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868957009] [2024-11-10 03:37:30,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868957009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:30,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:30,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 03:37:30,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801107185] [2024-11-10 03:37:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:30,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 03:37:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 03:37:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-10 03:37:30,363 INFO L87 Difference]: Start difference. First operand 97 states and 148 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:31,270 INFO L93 Difference]: Finished difference Result 288 states and 424 transitions. [2024-11-10 03:37:31,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 03:37:31,271 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-10 03:37:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:31,274 INFO L225 Difference]: With dead ends: 288 [2024-11-10 03:37:31,275 INFO L226 Difference]: Without dead ends: 194 [2024-11-10 03:37:31,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-10 03:37:31,277 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 160 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:31,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 569 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 03:37:31,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-10 03:37:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 132. [2024-11-10 03:37:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 92 states have internal predecessors, (123), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 03:37:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 199 transitions. [2024-11-10 03:37:31,318 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 199 transitions. Word has length 199 [2024-11-10 03:37:31,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:31,319 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 199 transitions. [2024-11-10 03:37:31,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 199 transitions. [2024-11-10 03:37:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-10 03:37:31,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:31,324 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:31,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 03:37:31,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash -917058538, now seen corresponding path program 1 times [2024-11-10 03:37:31,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:31,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536305844] [2024-11-10 03:37:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:31,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:31,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:31,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536305844] [2024-11-10 03:37:31,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536305844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:31,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:31,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 03:37:31,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358800897] [2024-11-10 03:37:31,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:31,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 03:37:31,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:31,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 03:37:31,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:37:31,747 INFO L87 Difference]: Start difference. First operand 132 states and 199 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:31,945 INFO L93 Difference]: Finished difference Result 359 states and 543 transitions. [2024-11-10 03:37:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 03:37:31,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-10 03:37:31,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:31,950 INFO L225 Difference]: With dead ends: 359 [2024-11-10 03:37:31,951 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 03:37:31,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 03:37:31,952 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 67 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:31,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 346 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 03:37:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 03:37:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-11-10 03:37:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.3150684931506849) internal successors, (192), 148 states have internal predecessors, (192), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 03:37:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 344 transitions. [2024-11-10 03:37:32,002 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 344 transitions. Word has length 199 [2024-11-10 03:37:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:32,003 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 344 transitions. [2024-11-10 03:37:32,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 344 transitions. [2024-11-10 03:37:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 03:37:32,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:32,007 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:32,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 03:37:32,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:32,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1955975221, now seen corresponding path program 1 times [2024-11-10 03:37:32,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:32,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937834403] [2024-11-10 03:37:32,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:32,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:43,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:43,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937834403] [2024-11-10 03:37:43,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937834403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:43,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:43,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 03:37:43,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173762824] [2024-11-10 03:37:43,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:43,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 03:37:43,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:43,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 03:37:43,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-10 03:37:43,853 INFO L87 Difference]: Start difference. First operand 227 states and 344 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:45,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:45,069 INFO L93 Difference]: Finished difference Result 454 states and 667 transitions. [2024-11-10 03:37:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 03:37:45,070 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2024-11-10 03:37:45,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:45,073 INFO L225 Difference]: With dead ends: 454 [2024-11-10 03:37:45,073 INFO L226 Difference]: Without dead ends: 325 [2024-11-10 03:37:45,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-10 03:37:45,075 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 194 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:45,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 761 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 03:37:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-10 03:37:45,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 236. [2024-11-10 03:37:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 155 states have (on average 1.3225806451612903) internal successors, (205), 157 states have internal predecessors, (205), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 03:37:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 357 transitions. [2024-11-10 03:37:45,158 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 357 transitions. Word has length 200 [2024-11-10 03:37:45,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:45,158 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 357 transitions. [2024-11-10 03:37:45,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 357 transitions. [2024-11-10 03:37:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 03:37:45,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:45,162 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:45,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 03:37:45,163 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:45,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:45,165 INFO L85 PathProgramCache]: Analyzing trace with hash -488067638, now seen corresponding path program 1 times [2024-11-10 03:37:45,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:45,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290037352] [2024-11-10 03:37:45,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:37:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:37:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:37:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:37:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:37:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:37:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:37:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:37:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:37:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:37:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:37:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:37:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:37:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:37:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:37:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:37:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:37:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:37:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:37:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:37:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:37:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:37:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:37:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:37:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:37:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:37:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:37:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:37:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:37:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:37:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:37:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:37:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:37:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:37:50,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:37:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290037352] [2024-11-10 03:37:50,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290037352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:37:50,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:37:50,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 03:37:50,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945018380] [2024-11-10 03:37:50,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:37:50,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 03:37:50,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:37:50,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 03:37:50,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 03:37:50,598 INFO L87 Difference]: Start difference. First operand 236 states and 357 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:51,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:37:51,096 INFO L93 Difference]: Finished difference Result 445 states and 654 transitions. [2024-11-10 03:37:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 03:37:51,098 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2024-11-10 03:37:51,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:37:51,101 INFO L225 Difference]: With dead ends: 445 [2024-11-10 03:37:51,101 INFO L226 Difference]: Without dead ends: 307 [2024-11-10 03:37:51,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 03:37:51,106 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 219 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 03:37:51,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 555 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 03:37:51,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-10 03:37:51,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 239. [2024-11-10 03:37:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 160 states have internal predecessors, (209), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 03:37:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 361 transitions. [2024-11-10 03:37:51,159 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 361 transitions. Word has length 200 [2024-11-10 03:37:51,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:37:51,160 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 361 transitions. [2024-11-10 03:37:51,160 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:37:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 361 transitions. [2024-11-10 03:37:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 03:37:51,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:37:51,163 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:37:51,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 03:37:51,164 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:37:51,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:37:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash -448423412, now seen corresponding path program 1 times [2024-11-10 03:37:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:37:51,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356501810] [2024-11-10 03:37:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:37:51,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:37:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:38:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:38:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:38:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:38:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:38:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:38:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:38:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:38:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:38:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:38:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:38:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:38:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:38:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:38:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:38:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:38:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:38:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:38:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:38:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:38:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:38:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:38:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:38:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:38:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:38:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:38:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:38:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:38:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:03,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:38:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:38:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:04,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:38:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:04,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:38:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:38:04,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:38:04,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356501810] [2024-11-10 03:38:04,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356501810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:38:04,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:38:04,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 03:38:04,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871044349] [2024-11-10 03:38:04,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:38:04,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 03:38:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:38:04,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 03:38:04,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-10 03:38:04,009 INFO L87 Difference]: Start difference. First operand 239 states and 361 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:38:04,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:38:04,917 INFO L93 Difference]: Finished difference Result 422 states and 623 transitions. [2024-11-10 03:38:04,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 03:38:04,918 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2024-11-10 03:38:04,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:38:04,921 INFO L225 Difference]: With dead ends: 422 [2024-11-10 03:38:04,921 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 03:38:04,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-10 03:38:04,925 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 108 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 03:38:04,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 573 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 03:38:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 03:38:04,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 239. [2024-11-10 03:38:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 160 states have internal predecessors, (209), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 03:38:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 361 transitions. [2024-11-10 03:38:04,964 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 361 transitions. Word has length 200 [2024-11-10 03:38:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:38:04,965 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 361 transitions. [2024-11-10 03:38:04,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:38:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 361 transitions. [2024-11-10 03:38:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 03:38:04,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:38:04,968 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:38:04,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 03:38:04,968 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:38:04,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:38:04,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1019484171, now seen corresponding path program 1 times [2024-11-10 03:38:04,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:38:04,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631920887] [2024-11-10 03:38:04,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:38:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:38:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:38:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:38:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:38:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:38:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:38:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:38:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:38:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:38:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:38:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:38:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:38:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:38:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:38:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:38:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:38:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:38:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:38:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 03:38:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 03:38:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 03:38:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 03:38:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 03:38:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 03:38:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 03:38:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 03:38:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 03:38:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 03:38:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 03:38:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 03:38:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 03:38:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 03:38:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 03:38:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:38:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-10 03:38:09,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:38:09,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631920887] [2024-11-10 03:38:09,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631920887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:38:09,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:38:09,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 03:38:09,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952418223] [2024-11-10 03:38:09,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:38:09,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 03:38:09,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:38:09,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 03:38:09,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 03:38:09,718 INFO L87 Difference]: Start difference. First operand 239 states and 361 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:38:10,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:38:10,265 INFO L93 Difference]: Finished difference Result 400 states and 596 transitions. [2024-11-10 03:38:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 03:38:10,266 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2024-11-10 03:38:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:38:10,269 INFO L225 Difference]: With dead ends: 400 [2024-11-10 03:38:10,269 INFO L226 Difference]: Without dead ends: 259 [2024-11-10 03:38:10,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-10 03:38:10,271 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 84 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 03:38:10,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 546 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 03:38:10,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-10 03:38:10,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 230. [2024-11-10 03:38:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 149 states have (on average 1.308724832214765) internal successors, (195), 151 states have internal predecessors, (195), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 03:38:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 347 transitions. [2024-11-10 03:38:10,307 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 347 transitions. Word has length 200 [2024-11-10 03:38:10,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:38:10,308 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 347 transitions. [2024-11-10 03:38:10,308 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-10 03:38:10,308 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 347 transitions. [2024-11-10 03:38:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-10 03:38:10,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:38:10,310 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:38:10,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 03:38:10,311 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:38:10,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:38:10,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1611714998, now seen corresponding path program 1 times [2024-11-10 03:38:10,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:38:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065593587] [2024-11-10 03:38:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:38:10,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:38:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat