./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:15:44,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:15:44,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:15:44,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:15:44,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:15:44,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:15:44,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:15:44,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:15:44,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:15:44,211 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:15:44,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:15:44,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:15:44,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:15:44,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:15:44,212 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:15:44,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:15:44,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:15:44,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:15:44,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:15:44,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:15:44,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:15:44,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:15:44,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:15:44,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:15:44,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:15:44,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:15:44,218 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:15:44,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:15:44,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:15:44,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:15:44,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:15:44,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:15:44,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:15:44,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:15:44,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:15:44,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:15:44,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:15:44,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 [2024-11-16 15:15:44,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:15:44,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:15:44,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:15:44,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:15:44,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:15:44,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-16 15:15:45,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:15:46,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:15:46,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-16 15:15:46,051 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/225e5e903/a801769817e143ee80617209d6e8013f/FLAGa13458c86 [2024-11-16 15:15:46,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/225e5e903/a801769817e143ee80617209d6e8013f [2024-11-16 15:15:46,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:15:46,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:15:46,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:15:46,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:15:46,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:15:46,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aeba704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46, skipping insertion in model container [2024-11-16 15:15:46,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:15:46,264 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-16 15:15:46,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:15:46,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:15:46,378 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-16 15:15:46,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:15:46,423 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:15:46,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46 WrapperNode [2024-11-16 15:15:46,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:15:46,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:15:46,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:15:46,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:15:46,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,476 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-16 15:15:46,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:15:46,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:15:46,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:15:46,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:15:46,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,490 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,506 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:15:46,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,515 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:15:46,533 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:15:46,533 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:15:46,533 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:15:46,534 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (1/1) ... [2024-11-16 15:15:46,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:15:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:15:46,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:15:46,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:15:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:15:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:15:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:15:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:15:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:15:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:15:46,706 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:15:46,708 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:15:47,059 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L184: havoc property_#t~ite23#1;havoc property_#t~bitwise22#1; [2024-11-16 15:15:47,088 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-16 15:15:47,088 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:15:47,108 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:15:47,108 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:15:47,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:15:47 BoogieIcfgContainer [2024-11-16 15:15:47,109 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:15:47,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:15:47,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:15:47,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:15:47,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:15:46" (1/3) ... [2024-11-16 15:15:47,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf6cf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:15:47, skipping insertion in model container [2024-11-16 15:15:47,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:15:46" (2/3) ... [2024-11-16 15:15:47,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf6cf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:15:47, skipping insertion in model container [2024-11-16 15:15:47,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:15:47" (3/3) ... [2024-11-16 15:15:47,116 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-16 15:15:47,129 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:15:47,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:15:47,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:15:47,220 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;@7140959b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:15:47,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:15:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 67 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:15:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 15:15:47,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:47,245 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:47,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:47,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:47,251 INFO L85 PathProgramCache]: Analyzing trace with hash 848313148, now seen corresponding path program 1 times [2024-11-16 15:15:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:47,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738285010] [2024-11-16 15:15:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:15:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:15:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:15:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:15:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:15:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:15:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:15:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:15:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:15:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:15:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:15:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:15:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:15:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:15:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:15:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:15:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:15:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:15:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:15:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:15:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:15:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:15:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:15:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:15:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:15:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 15:15:47,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:47,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738285010] [2024-11-16 15:15:47,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738285010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:47,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:47,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:15:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645066324] [2024-11-16 15:15:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:47,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:15:47,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:15:47,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:15:47,765 INFO L87 Difference]: Start difference. First operand has 103 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 67 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 15:15:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:47,798 INFO L93 Difference]: Finished difference Result 196 states and 345 transitions. [2024-11-16 15:15:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:15:47,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-16 15:15:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:47,806 INFO L225 Difference]: With dead ends: 196 [2024-11-16 15:15:47,807 INFO L226 Difference]: Without dead ends: 96 [2024-11-16 15:15:47,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:15:47,812 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:47,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:15:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-16 15:15:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-16 15:15:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:15:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 146 transitions. [2024-11-16 15:15:47,850 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 146 transitions. Word has length 215 [2024-11-16 15:15:47,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:47,851 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 146 transitions. [2024-11-16 15:15:47,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 15:15:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2024-11-16 15:15:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 15:15:47,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:47,854 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:47,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:15:47,855 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:47,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:47,856 INFO L85 PathProgramCache]: Analyzing trace with hash 171908990, now seen corresponding path program 1 times [2024-11-16 15:15:47,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821848121] [2024-11-16 15:15:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:47,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:15:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:15:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:15:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:15:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:15:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:15:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:15:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:15:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:15:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:15:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:15:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:15:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:15:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:15:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:15:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:15:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:15:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:15:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:15:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:15:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:15:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:15:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:15:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:15:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:15:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 15:15:49,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:49,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821848121] [2024-11-16 15:15:49,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821848121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:49,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:49,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:15:49,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198496588] [2024-11-16 15:15:49,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:49,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:15:49,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:49,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:15:49,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:49,175 INFO L87 Difference]: Start difference. First operand 96 states and 146 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 15:15:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:49,481 INFO L93 Difference]: Finished difference Result 265 states and 409 transitions. [2024-11-16 15:15:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:15:49,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-16 15:15:49,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:49,484 INFO L225 Difference]: With dead ends: 265 [2024-11-16 15:15:49,486 INFO L226 Difference]: Without dead ends: 172 [2024-11-16 15:15:49,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:49,490 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 104 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:49,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 308 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:15:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-16 15:15:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 155. [2024-11-16 15:15:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 84 states have internal predecessors, (102), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 15:15:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 238 transitions. [2024-11-16 15:15:49,534 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 238 transitions. Word has length 215 [2024-11-16 15:15:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:49,535 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 238 transitions. [2024-11-16 15:15:49,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-16 15:15:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2024-11-16 15:15:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 15:15:49,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:49,539 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:49,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:15:49,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:49,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:49,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1866147299, now seen corresponding path program 1 times [2024-11-16 15:15:49,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:49,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50677571] [2024-11-16 15:15:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:49,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:15:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:15:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:15:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:15:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:15:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:15:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:15:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:15:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:15:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:15:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:15:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:15:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:15:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:15:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:15:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:15:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:15:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:15:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:15:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:15:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:15:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:15:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:15:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:15:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:15:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 15:15:50,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:50,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50677571] [2024-11-16 15:15:50,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50677571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:50,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:50,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:15:50,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405589485] [2024-11-16 15:15:50,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:50,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:15:50,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:50,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:15:50,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:15:50,043 INFO L87 Difference]: Start difference. First operand 155 states and 238 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:15:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:50,314 INFO L93 Difference]: Finished difference Result 288 states and 440 transitions. [2024-11-16 15:15:50,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:15:50,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-16 15:15:50,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:50,317 INFO L225 Difference]: With dead ends: 288 [2024-11-16 15:15:50,317 INFO L226 Difference]: Without dead ends: 195 [2024-11-16 15:15:50,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:50,319 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 99 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:50,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 357 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:15:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-16 15:15:50,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 179. [2024-11-16 15:15:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 108 states have (on average 1.287037037037037) internal successors, (139), 108 states have internal predecessors, (139), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 15:15:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2024-11-16 15:15:50,342 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 215 [2024-11-16 15:15:50,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:50,343 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2024-11-16 15:15:50,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:15:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2024-11-16 15:15:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-16 15:15:50,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:50,346 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:50,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:15:50,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:50,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:50,347 INFO L85 PathProgramCache]: Analyzing trace with hash 413159269, now seen corresponding path program 1 times [2024-11-16 15:15:50,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:50,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018953055] [2024-11-16 15:15:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:50,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:15:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:15:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:15:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:15:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:15:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:15:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:15:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:15:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:15:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:15:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:15:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:15:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:15:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:15:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:15:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:15:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:15:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:15:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:15:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:15:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:15:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:15:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:15:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:15:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:15:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:15:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:15:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:15:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:15:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:15:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:15:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:15:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:15:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:15:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:15:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 15:15:50,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:15:50,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018953055] [2024-11-16 15:15:50,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018953055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:15:50,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:15:50,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:15:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20268095] [2024-11-16 15:15:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:15:50,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:15:50,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:15:50,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:15:50,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:15:50,623 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:15:50,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:15:50,812 INFO L93 Difference]: Finished difference Result 297 states and 451 transitions. [2024-11-16 15:15:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:15:50,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-16 15:15:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:15:50,814 INFO L225 Difference]: With dead ends: 297 [2024-11-16 15:15:50,815 INFO L226 Difference]: Without dead ends: 191 [2024-11-16 15:15:50,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:15:50,816 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 96 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:15:50,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 375 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:15:50,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-16 15:15:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 180. [2024-11-16 15:15:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 109 states have (on average 1.275229357798165) internal successors, (139), 109 states have internal predecessors, (139), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 15:15:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 275 transitions. [2024-11-16 15:15:50,839 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 275 transitions. Word has length 216 [2024-11-16 15:15:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:15:50,840 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 275 transitions. [2024-11-16 15:15:50,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:15:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 275 transitions. [2024-11-16 15:15:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 15:15:50,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:15:50,842 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:15:50,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:15:50,842 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:15:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:15:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1275959872, now seen corresponding path program 1 times [2024-11-16 15:15:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:15:50,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407401586] [2024-11-16 15:15:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:15:50,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:15:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:16:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:16:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:16:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:16:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:16:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:16:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:16:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:16:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:16:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:16:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:16:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:16:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:16:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:16:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:16:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:16:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:16:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:16:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:16:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:16:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:16:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:16:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:16:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:16:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:16:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:16:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:16:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:16:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:16:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:16:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:16:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:16:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:16:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:16:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-16 15:16:01,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:16:01,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407401586] [2024-11-16 15:16:01,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407401586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:16:01,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:16:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:16:01,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280316357] [2024-11-16 15:16:01,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:16:01,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:16:01,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:16:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:16:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:16:01,165 INFO L87 Difference]: Start difference. First operand 180 states and 275 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:16:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:16:03,408 INFO L93 Difference]: Finished difference Result 249 states and 354 transitions. [2024-11-16 15:16:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 15:16:03,409 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-16 15:16:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:16:03,411 INFO L225 Difference]: With dead ends: 249 [2024-11-16 15:16:03,411 INFO L226 Difference]: Without dead ends: 246 [2024-11-16 15:16:03,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-16 15:16:03,412 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 328 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:16:03,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 795 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 15:16:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-16 15:16:03,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 194. [2024-11-16 15:16:03,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 123 states have internal predecessors, (156), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 15:16:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 292 transitions. [2024-11-16 15:16:03,430 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 292 transitions. Word has length 217 [2024-11-16 15:16:03,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:16:03,430 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 292 transitions. [2024-11-16 15:16:03,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-16 15:16:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 292 transitions. [2024-11-16 15:16:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-16 15:16:03,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:16:03,432 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:16:03,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:16:03,433 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:16:03,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:16:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash -520991487, now seen corresponding path program 1 times [2024-11-16 15:16:03,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:16:03,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340680278] [2024-11-16 15:16:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:16:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:16:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 15:16:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 15:16:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:16:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:16:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 15:16:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:16:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:16:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:16:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:16:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 15:16:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:16:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 15:16:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:16:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:16:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:16:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:16:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:16:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:16:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:16:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:16:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:16:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:16:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:16:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:16:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:16:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:16:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:16:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:16:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:16:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:16:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:16:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:16:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:16:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 69 proven. 30 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-11-16 15:16:03,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:16:03,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340680278] [2024-11-16 15:16:03,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340680278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:16:03,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743091445] [2024-11-16 15:16:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:16:03,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:16:03,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:16:03,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 15:16:03,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 15:16:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:16:03,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-16 15:16:03,948 INFO L278 TraceCheckSpWp]: Computing forward predicates...