./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.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 f098e666db3f9742bca6c9015941c2c37c0c49da2c9d3887ddf402afe9877bb8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:07:41,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:07:41,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:07:41,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:07:41,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:07:41,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:07:41,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:07:41,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:07:41,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:07:41,578 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:07:41,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:07:41,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:07:41,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:07:41,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:07:41,590 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:07:41,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:07:41,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:07:41,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:07:41,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:07:41,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:07:41,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:07:41,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:07:41,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:07:41,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:07:41,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:07:41,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:07:41,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:07:41,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:07:41,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:07:41,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:07:41,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:07:41,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:07:41,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:07:41,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:07:41,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:07:41,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:07:41,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:07:41,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:07:41,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:07:41,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:07:41,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:07:41,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:07:41,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f098e666db3f9742bca6c9015941c2c37c0c49da2c9d3887ddf402afe9877bb8 [2024-10-13 01:07:41,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:07:41,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:07:41,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:07:41,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:07:41,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:07:41,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.i [2024-10-13 01:07:43,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:07:43,493 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:07:43,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.i [2024-10-13 01:07:43,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629e6e087/68d48e7b8beb4145a96e1929b1949922/FLAG5829872c7 [2024-10-13 01:07:43,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/629e6e087/68d48e7b8beb4145a96e1929b1949922 [2024-10-13 01:07:43,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:07:43,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:07:43,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:07:43,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:07:43,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:07:43,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3d4888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43, skipping insertion in model container [2024-10-13 01:07:43,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:07:43,686 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.i[915,928] [2024-10-13 01:07:43,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:07:43,744 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:07:43,752 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-52.i[915,928] [2024-10-13 01:07:43,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:07:43,833 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:07:43,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43 WrapperNode [2024-10-13 01:07:43,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:07:43,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:07:43,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:07:43,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:07:43,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,922 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2024-10-13 01:07:43,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:07:43,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:07:43,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:07:43,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:07:43,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,978 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 01:07:43,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:43,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:44,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:44,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:44,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:07:44,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:07:44,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:07:44,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:07:44,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (1/1) ... [2024-10-13 01:07:44,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:07:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:07:44,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:07:44,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:07:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:07:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:07:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:07:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:07:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:07:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:07:44,187 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:07:44,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:07:44,447 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 01:07:44,448 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:07:44,506 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:07:44,507 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:07:44,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:44 BoogieIcfgContainer [2024-10-13 01:07:44,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:07:44,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:07:44,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:07:44,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:07:44,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:07:43" (1/3) ... [2024-10-13 01:07:44,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca1195c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:07:44, skipping insertion in model container [2024-10-13 01:07:44,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:43" (2/3) ... [2024-10-13 01:07:44,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca1195c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:07:44, skipping insertion in model container [2024-10-13 01:07:44,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:44" (3/3) ... [2024-10-13 01:07:44,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-52.i [2024-10-13 01:07:44,525 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:07:44,525 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:07:44,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:07:44,588 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;@76ffb24a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:07:44,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:07:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 01:07:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 01:07:44,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:07:44,611 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:07:44,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:07:44,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:07:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1536259501, now seen corresponding path program 1 times [2024-10-13 01:07:44,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:07:44,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622121891] [2024-10-13 01:07:44,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:07:44,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:07:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:07:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:07:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:07:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:07:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:07:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:07:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:07:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:07:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:07:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:07:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:07:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:07:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:07:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:44,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:07:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:07:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:07:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:07:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:07:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:07:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:07:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:07:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:07:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:07:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:07:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:07:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:07:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:07:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:07:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:07:45,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:07:45,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622121891] [2024-10-13 01:07:45,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622121891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:07:45,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:07:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:07:45,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303506345] [2024-10-13 01:07:45,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:07:45,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:07:45,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:07:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:07:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:07:45,127 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-13 01:07:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:07:45,172 INFO L93 Difference]: Finished difference Result 157 states and 278 transitions. [2024-10-13 01:07:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:07:45,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2024-10-13 01:07:45,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:07:45,183 INFO L225 Difference]: With dead ends: 157 [2024-10-13 01:07:45,183 INFO L226 Difference]: Without dead ends: 78 [2024-10-13 01:07:45,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:07:45,189 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:07:45,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:07:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-13 01:07:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-13 01:07:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-13 01:07:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-10-13 01:07:45,263 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 177 [2024-10-13 01:07:45,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:07:45,266 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-10-13 01:07:45,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-13 01:07:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-10-13 01:07:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 01:07:45,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:07:45,269 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:07:45,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:07:45,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:07:45,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:07:45,272 INFO L85 PathProgramCache]: Analyzing trace with hash 120530131, now seen corresponding path program 1 times [2024-10-13 01:07:45,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:07:45,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664762918] [2024-10-13 01:07:45,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:07:45,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:07:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:07:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:07:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:07:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:07:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:07:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:07:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:07:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:07:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:07:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:07:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:07:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:07:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:07:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:07:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:07:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:07:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:07:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:07:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:07:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:07:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:07:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:07:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:07:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:07:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:07:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:07:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:07:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:07:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:07:52,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:07:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664762918] [2024-10-13 01:07:52,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664762918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:07:52,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:07:52,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 01:07:52,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753481552] [2024-10-13 01:07:52,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:07:52,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:07:52,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:07:52,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:07:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:07:52,182 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:07:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:07:53,133 INFO L93 Difference]: Finished difference Result 251 states and 388 transitions. [2024-10-13 01:07:53,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 01:07:53,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 177 [2024-10-13 01:07:53,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:07:53,136 INFO L225 Difference]: With dead ends: 251 [2024-10-13 01:07:53,137 INFO L226 Difference]: Without dead ends: 174 [2024-10-13 01:07:53,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-10-13 01:07:53,138 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 232 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:07:53,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 760 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 01:07:53,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-13 01:07:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 139. [2024-10-13 01:07:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 80 states have (on average 1.3) internal successors, (104), 80 states have internal predecessors, (104), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:07:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-10-13 01:07:53,181 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 177 [2024-10-13 01:07:53,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:07:53,182 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-10-13 01:07:53,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:07:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-10-13 01:07:53,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 01:07:53,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:07:53,188 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:07:53,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:07:53,189 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:07:53,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:07:53,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1504647151, now seen corresponding path program 1 times [2024-10-13 01:07:53,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:07:53,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362316327] [2024-10-13 01:07:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:07:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:07:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:07:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:07:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:07:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:07:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:07:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:07:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:07:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:07:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:07:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:07:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:07:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:07:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:07:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:07:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:07:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:07:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:07:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:07:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:07:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:07:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:07:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:07:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:07:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:07:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:07:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:07:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:07:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:07:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:07:53,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:07:53,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362316327] [2024-10-13 01:07:53,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362316327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:07:53,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:07:53,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:07:53,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7792973] [2024-10-13 01:07:53,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:07:53,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:07:53,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:07:53,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:07:53,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:07:53,485 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:07:53,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:07:53,613 INFO L93 Difference]: Finished difference Result 303 states and 472 transitions. [2024-10-13 01:07:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:07:53,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-10-13 01:07:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:07:53,620 INFO L225 Difference]: With dead ends: 303 [2024-10-13 01:07:53,620 INFO L226 Difference]: Without dead ends: 226 [2024-10-13 01:07:53,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:07:53,621 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 135 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:07:53,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 470 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:07:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-13 01:07:53,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 142. [2024-10-13 01:07:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 83 states have (on average 1.3012048192771084) internal successors, (108), 83 states have internal predecessors, (108), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:07:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 220 transitions. [2024-10-13 01:07:53,668 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 220 transitions. Word has length 177 [2024-10-13 01:07:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:07:53,668 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 220 transitions. [2024-10-13 01:07:53,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:07:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 220 transitions. [2024-10-13 01:07:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 01:07:53,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:07:53,675 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:07:53,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:07:53,675 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:07:53,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:07:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1111620141, now seen corresponding path program 1 times [2024-10-13 01:07:53,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:07:53,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108283529] [2024-10-13 01:07:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:07:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:07:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:07:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:07:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:07:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:07:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:07:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:07:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:07:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:07:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:07:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:07:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:07:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:07:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:07:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:07:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:07:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:07:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:07:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:08:00,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:00,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108283529] [2024-10-13 01:08:00,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108283529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:00,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:08:00,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:08:00,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769178098] [2024-10-13 01:08:00,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:00,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:08:00,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:08:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:08:00,088 INFO L87 Difference]: Start difference. First operand 142 states and 220 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-13 01:08:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:02,295 INFO L93 Difference]: Finished difference Result 260 states and 397 transitions. [2024-10-13 01:08:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:08:02,297 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 177 [2024-10-13 01:08:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:02,299 INFO L225 Difference]: With dead ends: 260 [2024-10-13 01:08:02,299 INFO L226 Difference]: Without dead ends: 180 [2024-10-13 01:08:02,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2024-10-13 01:08:02,302 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 251 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:02,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 730 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 01:08:02,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-13 01:08:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 152. [2024-10-13 01:08:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 233 transitions. [2024-10-13 01:08:02,315 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 233 transitions. Word has length 177 [2024-10-13 01:08:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:02,319 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 233 transitions. [2024-10-13 01:08:02,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-13 01:08:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2024-10-13 01:08:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 01:08:02,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:02,320 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:08:02,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:08:02,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:02,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash -466275883, now seen corresponding path program 1 times [2024-10-13 01:08:02,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:02,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231556848] [2024-10-13 01:08:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:02,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:08:02,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:02,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231556848] [2024-10-13 01:08:02,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231556848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:02,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:08:02,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:08:02,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114499334] [2024-10-13 01:08:02,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:02,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:08:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:02,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:08:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:08:02,463 INFO L87 Difference]: Start difference. First operand 152 states and 233 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:02,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:02,584 INFO L93 Difference]: Finished difference Result 229 states and 352 transitions. [2024-10-13 01:08:02,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:08:02,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-10-13 01:08:02,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:02,586 INFO L225 Difference]: With dead ends: 229 [2024-10-13 01:08:02,587 INFO L226 Difference]: Without dead ends: 149 [2024-10-13 01:08:02,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:08:02,589 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 101 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:02,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 164 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:08:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-13 01:08:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-13 01:08:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 90 states have (on average 1.2666666666666666) internal successors, (114), 90 states have internal predecessors, (114), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 226 transitions. [2024-10-13 01:08:02,604 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 226 transitions. Word has length 177 [2024-10-13 01:08:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:02,605 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 226 transitions. [2024-10-13 01:08:02,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2024-10-13 01:08:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 01:08:02,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:02,607 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:08:02,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:08:02,608 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:02,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:02,608 INFO L85 PathProgramCache]: Analyzing trace with hash -101417104, now seen corresponding path program 1 times [2024-10-13 01:08:02,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:02,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490549470] [2024-10-13 01:08:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:08:09,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:09,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490549470] [2024-10-13 01:08:09,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490549470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:09,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:08:09,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 01:08:09,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470768049] [2024-10-13 01:08:09,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:09,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 01:08:09,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:09,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 01:08:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:08:09,577 INFO L87 Difference]: Start difference. First operand 149 states and 226 transitions. Second operand has 17 states, 16 states have (on average 2.5625) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:08:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:12,333 INFO L93 Difference]: Finished difference Result 177 states and 258 transitions. [2024-10-13 01:08:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:08:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.5625) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 178 [2024-10-13 01:08:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:12,335 INFO L225 Difference]: With dead ends: 177 [2024-10-13 01:08:12,335 INFO L226 Difference]: Without dead ends: 175 [2024-10-13 01:08:12,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2024-10-13 01:08:12,336 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 289 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:12,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 841 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 01:08:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-13 01:08:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 154. [2024-10-13 01:08:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 95 states have (on average 1.2736842105263158) internal successors, (121), 95 states have internal predecessors, (121), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 233 transitions. [2024-10-13 01:08:12,347 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 233 transitions. Word has length 178 [2024-10-13 01:08:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:12,348 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 233 transitions. [2024-10-13 01:08:12,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.5625) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:08:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2024-10-13 01:08:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 01:08:12,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:12,349 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:08:12,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:08:12,350 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:12,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:12,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1424321859, now seen corresponding path program 1 times [2024-10-13 01:08:12,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:12,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969352285] [2024-10-13 01:08:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:12,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:08:12,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969352285] [2024-10-13 01:08:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969352285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:12,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:08:12,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 01:08:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989603386] [2024-10-13 01:08:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:12,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 01:08:12,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 01:08:12,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:08:12,728 INFO L87 Difference]: Start difference. First operand 154 states and 233 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:12,806 INFO L93 Difference]: Finished difference Result 251 states and 377 transitions. [2024-10-13 01:08:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 01:08:12,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2024-10-13 01:08:12,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:12,808 INFO L225 Difference]: With dead ends: 251 [2024-10-13 01:08:12,808 INFO L226 Difference]: Without dead ends: 174 [2024-10-13 01:08:12,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:08:12,809 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:12,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 223 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:08:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-13 01:08:12,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2024-10-13 01:08:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 107 states have (on average 1.2616822429906542) internal successors, (135), 107 states have internal predecessors, (135), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2024-10-13 01:08:12,828 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 179 [2024-10-13 01:08:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:12,831 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2024-10-13 01:08:12,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2024-10-13 01:08:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 01:08:12,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:12,832 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:08:12,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:08:12,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:12,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:12,833 INFO L85 PathProgramCache]: Analyzing trace with hash -744263489, now seen corresponding path program 1 times [2024-10-13 01:08:12,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:12,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986440962] [2024-10-13 01:08:12,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:12,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-13 01:08:15,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:15,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986440962] [2024-10-13 01:08:15,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986440962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:15,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:08:15,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:08:15,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073581837] [2024-10-13 01:08:15,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:15,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:08:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:08:15,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:08:15,929 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:08:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:17,224 INFO L93 Difference]: Finished difference Result 180 states and 262 transitions. [2024-10-13 01:08:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 01:08:17,225 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 179 [2024-10-13 01:08:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:17,227 INFO L225 Difference]: With dead ends: 180 [2024-10-13 01:08:17,227 INFO L226 Difference]: Without dead ends: 178 [2024-10-13 01:08:17,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:08:17,228 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 236 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:17,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 670 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:08:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-13 01:08:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 162. [2024-10-13 01:08:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 103 states have internal predecessors, (130), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:17,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 242 transitions. [2024-10-13 01:08:17,240 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 242 transitions. Word has length 179 [2024-10-13 01:08:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:17,241 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 242 transitions. [2024-10-13 01:08:17,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 4 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-10-13 01:08:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 242 transitions. [2024-10-13 01:08:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-10-13 01:08:17,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:17,244 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:08:17,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:08:17,244 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:17,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1377431510, now seen corresponding path program 1 times [2024-10-13 01:08:17,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:17,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184677049] [2024-10-13 01:08:17,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:08:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:08:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:08:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:08:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:08:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:08:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 01:08:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:08:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 01:08:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:08:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:08:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:08:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:08:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:08:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:08:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:08:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:08:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:08:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-13 01:08:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-13 01:08:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-13 01:08:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-13 01:08:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 01:08:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:08:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:08:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:08:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-13 01:08:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 01:08:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6222 backedges. 1 proven. 61 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 01:08:23,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:23,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184677049] [2024-10-13 01:08:23,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184677049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:08:23,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184809883] [2024-10-13 01:08:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:23,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:08:23,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:08:23,214 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) [2024-10-13 01:08:23,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 01:08:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:23,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 01:08:23,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:08:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6222 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6213 trivial. 0 not checked. [2024-10-13 01:08:23,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 01:08:23,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184809883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:08:23,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 01:08:23,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-10-13 01:08:23,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013829970] [2024-10-13 01:08:23,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:08:23,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:08:23,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:08:23,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:08:23,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:08:23,563 INFO L87 Difference]: Start difference. First operand 162 states and 242 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:08:23,615 INFO L93 Difference]: Finished difference Result 243 states and 364 transitions. [2024-10-13 01:08:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:08:23,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 353 [2024-10-13 01:08:23,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:08:23,625 INFO L225 Difference]: With dead ends: 243 [2024-10-13 01:08:23,625 INFO L226 Difference]: Without dead ends: 158 [2024-10-13 01:08:23,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:08:23,626 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:08:23,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:08:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-13 01:08:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-13 01:08:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 99 states have (on average 1.2424242424242424) internal successors, (123), 99 states have internal predecessors, (123), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 01:08:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 235 transitions. [2024-10-13 01:08:23,642 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 235 transitions. Word has length 353 [2024-10-13 01:08:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:08:23,643 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 235 transitions. [2024-10-13 01:08:23,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-13 01:08:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 235 transitions. [2024-10-13 01:08:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-10-13 01:08:23,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:08:23,647 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 01:08:23,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 01:08:23,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:08:23,848 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:08:23,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:08:23,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1685385514, now seen corresponding path program 1 times [2024-10-13 01:08:23,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:08:23,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281292110] [2024-10-13 01:08:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:08:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:08:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:08:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:08:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:08:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:08:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:08:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:08:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:08:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:08:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:08:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:08:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:08:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:08:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:08:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:08:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:08:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:08:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:08:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:08:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:08:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:08:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:08:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:08:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:08:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:08:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:08:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:08:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:08:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:08:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:08:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:08:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:08:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:08:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:08:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 01:08:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:08:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 01:08:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:08:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:08:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:08:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:08:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:08:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:08:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:08:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:08:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:08:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-13 01:08:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-13 01:08:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-13 01:08:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-13 01:08:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 01:08:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 01:08:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-13 01:08:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 01:08:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-13 01:08:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-13 01:08:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6223 backedges. 1 proven. 62 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 01:08:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:08:29,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281292110] [2024-10-13 01:08:29,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281292110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:08:29,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439553231] [2024-10-13 01:08:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:08:29,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:08:29,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:08:29,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:08:29,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 01:08:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:08:29,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-13 01:08:29,470 INFO L278 TraceCheckSpWp]: Computing forward predicates...