./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-33.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_fillercode_fillercodesize_ps-cn-50_file-33.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 6962e7bd484ae8ad671ef131faeb71f366744a10aa5efd4c2cd3298bbb34e994 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:43:00,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:43:00,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:43:00,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:43:00,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:43:00,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:43:00,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:43:00,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:43:00,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:43:00,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:43:00,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:43:00,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:43:00,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:43:00,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:43:00,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:43:00,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:43:00,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:43:00,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:43:00,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:43:00,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:43:00,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:43:00,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:43:00,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:43:00,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:43:00,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:43:00,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:43:00,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:43:00,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:43:00,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:43:00,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:43:00,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:43:00,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:43:00,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:43:00,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:43:00,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:43:00,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:43:00,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:43:00,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:43:00,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:43:00,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:43:00,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:43:00,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:43:00,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6962e7bd484ae8ad671ef131faeb71f366744a10aa5efd4c2cd3298bbb34e994 [2024-11-10 04:43:00,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:43:00,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:43:00,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:43:00,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:43:00,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:43:00,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-33.i [2024-11-10 04:43:02,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:43:02,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:43:02,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-33.i [2024-11-10 04:43:02,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6486f176/ac196d3bb14747f1ac280b020defff01/FLAGe49efcc11 [2024-11-10 04:43:02,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6486f176/ac196d3bb14747f1ac280b020defff01 [2024-11-10 04:43:02,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:43:02,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:43:02,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:43:02,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:43:02,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:43:02,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:43:02" (1/1) ... [2024-11-10 04:43:02,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b165a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:02, skipping insertion in model container [2024-11-10 04:43:02,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:43:02" (1/1) ... [2024-11-10 04:43:02,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:43:03,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-33.i[915,928] [2024-11-10 04:43:03,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:43:03,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:43:03,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-33.i[915,928] [2024-11-10 04:43:03,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:43:03,244 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:43:03,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03 WrapperNode [2024-11-10 04:43:03,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:43:03,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:43:03,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:43:03,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:43:03,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,312 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2024-11-10 04:43:03,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:43:03,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:43:03,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:43:03,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:43:03,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,364 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 04:43:03,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,385 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:43:03,414 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:43:03,414 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:43:03,414 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:43:03,415 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (1/1) ... [2024-11-10 04:43:03,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:43:03,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:43:03,448 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 04:43:03,455 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 04:43:03,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:43:03,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:43:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:43:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:43:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:43:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:43:03,620 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:43:03,622 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:43:04,097 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: havoc property_#t~ite27#1;havoc property_#t~bitwise26#1; [2024-11-10 04:43:04,193 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-10 04:43:04,194 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:43:04,242 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:43:04,246 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:43:04,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:43:04 BoogieIcfgContainer [2024-11-10 04:43:04,249 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:43:04,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:43:04,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:43:04,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:43:04,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:43:02" (1/3) ... [2024-11-10 04:43:04,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342ba172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:43:04, skipping insertion in model container [2024-11-10 04:43:04,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:43:03" (2/3) ... [2024-11-10 04:43:04,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342ba172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:43:04, skipping insertion in model container [2024-11-10 04:43:04,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:43:04" (3/3) ... [2024-11-10 04:43:04,260 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-33.i [2024-11-10 04:43:04,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:43:04,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:43:04,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:43:04,360 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;@3eb7d41b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:43:04,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:43:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 71 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 04:43:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-10 04:43:04,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:04,385 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:04,386 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:04,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:04,394 INFO L85 PathProgramCache]: Analyzing trace with hash 265196212, now seen corresponding path program 1 times [2024-11-10 04:43:04,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:04,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320178689] [2024-11-10 04:43:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 04:43:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320178689] [2024-11-10 04:43:06,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320178689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:43:06,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:43:06,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:43:06,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358895322] [2024-11-10 04:43:06,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:43:06,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:43:06,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:06,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:43:06,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:43:06,460 INFO L87 Difference]: Start difference. First operand has 115 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 71 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:06,996 INFO L93 Difference]: Finished difference Result 331 states and 616 transitions. [2024-11-10 04:43:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:43:07,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2024-11-10 04:43:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:07,015 INFO L225 Difference]: With dead ends: 331 [2024-11-10 04:43:07,015 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 04:43:07,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:43:07,029 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 105 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:07,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 434 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 04:43:07,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 04:43:07,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 203. [2024-11-10 04:43:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 116 states have internal predecessors, (148), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 316 transitions. [2024-11-10 04:43:07,126 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 316 transitions. Word has length 259 [2024-11-10 04:43:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:07,128 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 316 transitions. [2024-11-10 04:43:07,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 316 transitions. [2024-11-10 04:43:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 04:43:07,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:07,134 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:07,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:43:07,135 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:07,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:07,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2060298670, now seen corresponding path program 1 times [2024-11-10 04:43:07,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:07,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551005248] [2024-11-10 04:43:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 04:43:07,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:07,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551005248] [2024-11-10 04:43:07,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551005248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:43:07,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:43:07,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:43:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141115511] [2024-11-10 04:43:07,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:43:07,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:43:07,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:07,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:43:07,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:43:07,738 INFO L87 Difference]: Start difference. First operand 203 states and 316 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:08,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:08,097 INFO L93 Difference]: Finished difference Result 333 states and 512 transitions. [2024-11-10 04:43:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:43:08,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 260 [2024-11-10 04:43:08,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:08,103 INFO L225 Difference]: With dead ends: 333 [2024-11-10 04:43:08,106 INFO L226 Difference]: Without dead ends: 215 [2024-11-10 04:43:08,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:43:08,109 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 102 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:08,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 439 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 04:43:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-10 04:43:08,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 204. [2024-11-10 04:43:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 117 states have (on average 1.264957264957265) internal successors, (148), 117 states have internal predecessors, (148), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 316 transitions. [2024-11-10 04:43:08,159 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 316 transitions. Word has length 260 [2024-11-10 04:43:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:08,161 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 316 transitions. [2024-11-10 04:43:08,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 316 transitions. [2024-11-10 04:43:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 04:43:08,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:08,172 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:08,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:43:08,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:08,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:08,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1448100366, now seen corresponding path program 1 times [2024-11-10 04:43:08,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:08,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355379245] [2024-11-10 04:43:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:08,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 04:43:31,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:31,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355379245] [2024-11-10 04:43:31,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355379245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:43:31,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:43:31,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 04:43:31,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470742459] [2024-11-10 04:43:31,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:43:31,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 04:43:31,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:31,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 04:43:31,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-10 04:43:31,144 INFO L87 Difference]: Start difference. First operand 204 states and 316 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:33,340 INFO L93 Difference]: Finished difference Result 277 states and 398 transitions. [2024-11-10 04:43:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 04:43:33,341 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-10 04:43:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:33,344 INFO L225 Difference]: With dead ends: 277 [2024-11-10 04:43:33,344 INFO L226 Difference]: Without dead ends: 274 [2024-11-10 04:43:33,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-10 04:43:33,346 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 309 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:33,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 979 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 04:43:33,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-10 04:43:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 222. [2024-11-10 04:43:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 134 states have (on average 1.2537313432835822) internal successors, (168), 134 states have internal predecessors, (168), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 336 transitions. [2024-11-10 04:43:33,413 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 336 transitions. Word has length 261 [2024-11-10 04:43:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:33,414 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 336 transitions. [2024-11-10 04:43:33,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 336 transitions. [2024-11-10 04:43:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 04:43:33,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:33,421 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:33,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:43:33,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:33,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1049915571, now seen corresponding path program 1 times [2024-11-10 04:43:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629316004] [2024-11-10 04:43:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 04:43:41,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:41,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629316004] [2024-11-10 04:43:41,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629316004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 04:43:41,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690860635] [2024-11-10 04:43:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:43:41,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:43:41,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 04:43:41,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 04:43:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:41,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 04:43:41,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 04:43:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1491 proven. 36 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2024-11-10 04:43:41,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 04:43:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 04:43:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690860635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 04:43:42,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 04:43:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 20 [2024-11-10 04:43:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657424884] [2024-11-10 04:43:42,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 04:43:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 04:43:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 04:43:42,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-10 04:43:42,337 INFO L87 Difference]: Start difference. First operand 222 states and 336 transitions. Second operand has 20 states, 20 states have (on average 6.2) internal successors, (124), 20 states have internal predecessors, (124), 6 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) [2024-11-10 04:43:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:45,627 INFO L93 Difference]: Finished difference Result 411 states and 593 transitions. [2024-11-10 04:43:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 04:43:45,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 20 states have internal predecessors, (124), 6 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) Word has length 261 [2024-11-10 04:43:45,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:45,633 INFO L225 Difference]: With dead ends: 411 [2024-11-10 04:43:45,633 INFO L226 Difference]: Without dead ends: 274 [2024-11-10 04:43:45,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=416, Invalid=1654, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 04:43:45,639 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 620 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:45,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 791 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 04:43:45,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-10 04:43:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 238. [2024-11-10 04:43:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 146 states have (on average 1.2123287671232876) internal successors, (177), 146 states have internal predecessors, (177), 84 states have call successors, (84), 7 states have call predecessors, (84), 7 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 345 transitions. [2024-11-10 04:43:45,689 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 345 transitions. Word has length 261 [2024-11-10 04:43:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:45,691 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 345 transitions. [2024-11-10 04:43:45,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 20 states have internal predecessors, (124), 6 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) [2024-11-10 04:43:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 345 transitions. [2024-11-10 04:43:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:43:45,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:45,695 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:45,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 04:43:45,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 04:43:45,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:45,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:45,897 INFO L85 PathProgramCache]: Analyzing trace with hash -374333351, now seen corresponding path program 1 times [2024-11-10 04:43:45,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:45,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055736233] [2024-11-10 04:43:45,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:45,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 04:43:46,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:46,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055736233] [2024-11-10 04:43:46,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055736233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:43:46,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:43:46,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:43:46,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130014433] [2024-11-10 04:43:46,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:43:46,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:43:46,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:46,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:43:46,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:43:46,242 INFO L87 Difference]: Start difference. First operand 238 states and 345 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 04:43:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:46,295 INFO L93 Difference]: Finished difference Result 352 states and 516 transitions. [2024-11-10 04:43:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:43:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-10 04:43:46,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:46,300 INFO L225 Difference]: With dead ends: 352 [2024-11-10 04:43:46,300 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 04:43:46,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:43:46,302 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 95 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:46,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 156 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:43:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 04:43:46,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-10 04:43:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 146 states have (on average 1.1986301369863013) internal successors, (175), 146 states have internal predecessors, (175), 84 states have call successors, (84), 7 states have call predecessors, (84), 7 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 343 transitions. [2024-11-10 04:43:46,366 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 343 transitions. Word has length 263 [2024-11-10 04:43:46,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:46,368 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 343 transitions. [2024-11-10 04:43:46,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 04:43:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 343 transitions. [2024-11-10 04:43:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:43:46,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:46,372 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:46,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:43:46,372 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:46,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1643945531, now seen corresponding path program 1 times [2024-11-10 04:43:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:46,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517607343] [2024-11-10 04:43:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:43:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 04:43:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 04:43:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 04:43:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 04:43:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 04:43:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 04:43:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 04:43:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 04:43:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 04:43:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 04:43:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 04:43:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 04:43:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 04:43:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:43:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 04:43:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:43:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:43:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:43:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:43:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:43:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:43:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:43:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:43:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:43:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:43:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:43:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 04:43:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:43:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 04:43:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:43:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 04:43:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:43:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:43:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:43:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 04:43:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:43:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 04:43:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:43:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 04:43:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 04:43:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 04:43:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:43:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 04:43:46,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:43:46,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517607343] [2024-11-10 04:43:46,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517607343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:43:46,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:43:46,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 04:43:46,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125027015] [2024-11-10 04:43:46,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:43:46,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 04:43:46,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:43:46,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 04:43:46,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 04:43:46,994 INFO L87 Difference]: Start difference. First operand 238 states and 343 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:43:47,531 INFO L93 Difference]: Finished difference Result 385 states and 549 transitions. [2024-11-10 04:43:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 04:43:47,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-10 04:43:47,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:43:47,535 INFO L225 Difference]: With dead ends: 385 [2024-11-10 04:43:47,535 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 04:43:47,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 04:43:47,536 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 117 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 04:43:47,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 602 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 04:43:47,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 04:43:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 250. [2024-11-10 04:43:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 158 states have (on average 1.1962025316455696) internal successors, (189), 158 states have internal predecessors, (189), 84 states have call successors, (84), 7 states have call predecessors, (84), 7 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 04:43:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 357 transitions. [2024-11-10 04:43:47,578 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 357 transitions. Word has length 263 [2024-11-10 04:43:47,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:43:47,579 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 357 transitions. [2024-11-10 04:43:47,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 04:43:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 357 transitions. [2024-11-10 04:43:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 04:43:47,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:43:47,584 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:43:47,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 04:43:47,584 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:43:47,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:43:47,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1218827625, now seen corresponding path program 1 times [2024-11-10 04:43:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:43:47,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681643099] [2024-11-10 04:43:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:43:47,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:43:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat