./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_loopvsstraightlinecode_100-while_file-68.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 a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:33:59,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:00,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:34:00,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:34:00,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:34:00,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:00,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:34:00,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:34:00,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:34:00,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:34:00,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:34:00,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:34:00,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:00,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:00,062 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:34:00,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:00,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:34:00,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:34:00,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:34:00,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:34:00,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:00,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:34:00,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:00,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:00,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:34:00,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:34:00,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:34:00,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:34:00,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:34:00,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:34:00,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:34:00,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:34:00,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50f9ed11f10306280cf680a91856fa84d69e79835a7539c0719fe95b31ba9a8 [2024-11-08 23:34:00,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:00,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:00,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:00,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:00,298 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:00,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-08 23:34:01,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:34:02,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:34:02,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-08 23:34:02,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001fd0152/66a3e4b7dbef41b697e991edced942ed/FLAGfc1d6c629 [2024-11-08 23:34:02,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001fd0152/66a3e4b7dbef41b697e991edced942ed [2024-11-08 23:34:02,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:34:02,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:34:02,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:02,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:34:02,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:34:02,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e45f9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02, skipping insertion in model container [2024-11-08 23:34:02,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:02,240 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_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-11-08 23:34:02,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:02,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:34:02,374 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_loopvsstraightlinecode_100-while_file-68.i[916,929] [2024-11-08 23:34:02,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:02,418 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:34:02,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02 WrapperNode [2024-11-08 23:34:02,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:02,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:02,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:34:02,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:34:02,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,488 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2024-11-08 23:34:02,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:02,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:34:02,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:34:02,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:34:02,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,527 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]. [2024-11-08 23:34:02,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:34:02,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:34:02,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:34:02,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:34:02,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (1/1) ... [2024-11-08 23:34:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:34:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:02,614 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) [2024-11-08 23:34:02,617 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 [2024-11-08 23:34:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:34:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:34:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:34:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:34:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:34:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:34:02,779 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:34:02,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:34:03,328 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-08 23:34:03,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:34:03,341 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:34:03,341 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:34:03,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:03 BoogieIcfgContainer [2024-11-08 23:34:03,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:34:03,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:34:03,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:34:03,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:34:03,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:34:02" (1/3) ... [2024-11-08 23:34:03,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b363f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:34:03, skipping insertion in model container [2024-11-08 23:34:03,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:02" (2/3) ... [2024-11-08 23:34:03,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711b363f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:34:03, skipping insertion in model container [2024-11-08 23:34:03,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:03" (3/3) ... [2024-11-08 23:34:03,352 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-68.i [2024-11-08 23:34:03,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:34:03,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:34:03,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:34:03,424 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;@7fc8c456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:34:03,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:34:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 23:34:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-08 23:34:03,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:03,445 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:03,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:03,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:03,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1492570003, now seen corresponding path program 1 times [2024-11-08 23:34:03,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:03,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823079288] [2024-11-08 23:34:03,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:03,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:03,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823079288] [2024-11-08 23:34:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823079288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:03,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:03,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:34:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104052081] [2024-11-08 23:34:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:03,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:34:03,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:34:03,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:34:03,914 INFO L87 Difference]: Start difference. First operand has 163 states, 120 states have (on average 1.4583333333333333) internal successors, (175), 121 states have internal predecessors, (175), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:03,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:03,958 INFO L93 Difference]: Finished difference Result 319 states and 544 transitions. [2024-11-08 23:34:03,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:34:03,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-08 23:34:03,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:03,970 INFO L225 Difference]: With dead ends: 319 [2024-11-08 23:34:03,971 INFO L226 Difference]: Without dead ends: 159 [2024-11-08 23:34:03,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:34:03,977 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:03,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:34:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-08 23:34:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-08 23:34:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 117 states have (on average 1.435897435897436) internal successors, (168), 117 states have internal predecessors, (168), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 23:34:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 248 transitions. [2024-11-08 23:34:04,027 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 248 transitions. Word has length 269 [2024-11-08 23:34:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:04,027 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 248 transitions. [2024-11-08 23:34:04,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2024-11-08 23:34:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-08 23:34:04,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:04,032 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:04,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:34:04,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:04,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1558472791, now seen corresponding path program 1 times [2024-11-08 23:34:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354451947] [2024-11-08 23:34:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:04,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:04,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354451947] [2024-11-08 23:34:04,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354451947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:04,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:04,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 23:34:04,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492070553] [2024-11-08 23:34:04,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:04,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 23:34:04,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:04,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 23:34:04,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:34:04,480 INFO L87 Difference]: Start difference. First operand 159 states and 248 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:04,516 INFO L93 Difference]: Finished difference Result 315 states and 493 transitions. [2024-11-08 23:34:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 23:34:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 269 [2024-11-08 23:34:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:04,521 INFO L225 Difference]: With dead ends: 315 [2024-11-08 23:34:04,521 INFO L226 Difference]: Without dead ends: 159 [2024-11-08 23:34:04,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 23:34:04,526 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:04,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 489 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:34:04,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-08 23:34:04,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-08 23:34:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 117 states have internal predecessors, (167), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 23:34:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 247 transitions. [2024-11-08 23:34:04,545 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 247 transitions. Word has length 269 [2024-11-08 23:34:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:04,548 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 247 transitions. [2024-11-08 23:34:04,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2024-11-08 23:34:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-08 23:34:04,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:04,556 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:04,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:34:04,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:04,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:04,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1952839577, now seen corresponding path program 1 times [2024-11-08 23:34:04,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:04,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955314472] [2024-11-08 23:34:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:06,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:06,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955314472] [2024-11-08 23:34:06,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955314472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:06,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:06,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 23:34:06,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207896655] [2024-11-08 23:34:06,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:06,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 23:34:06,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:06,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 23:34:06,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:34:06,166 INFO L87 Difference]: Start difference. First operand 159 states and 247 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:06,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:06,922 INFO L93 Difference]: Finished difference Result 477 states and 733 transitions. [2024-11-08 23:34:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 23:34:06,922 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 269 [2024-11-08 23:34:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:06,925 INFO L225 Difference]: With dead ends: 477 [2024-11-08 23:34:06,925 INFO L226 Difference]: Without dead ends: 321 [2024-11-08 23:34:06,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:34:06,926 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 780 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:06,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 589 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 23:34:06,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-08 23:34:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 296. [2024-11-08 23:34:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 250 states have (on average 1.476) internal successors, (369), 251 states have internal predecessors, (369), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 455 transitions. [2024-11-08 23:34:06,952 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 455 transitions. Word has length 269 [2024-11-08 23:34:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:06,953 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 455 transitions. [2024-11-08 23:34:06,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 455 transitions. [2024-11-08 23:34:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-08 23:34:06,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:06,959 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:06,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 23:34:06,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:06,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:06,960 INFO L85 PathProgramCache]: Analyzing trace with hash 753779817, now seen corresponding path program 1 times [2024-11-08 23:34:06,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:06,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726961556] [2024-11-08 23:34:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:07,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726961556] [2024-11-08 23:34:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726961556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690906360] [2024-11-08 23:34:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:07,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:07,354 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) [2024-11-08 23:34:07,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:34:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:07,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:34:07,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1543 proven. 147 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2024-11-08 23:34:08,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 150 refuted. 0 times theorem prover too weak. 2889 trivial. 0 not checked. [2024-11-08 23:34:08,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690906360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:08,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:08,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-08 23:34:08,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808680826] [2024-11-08 23:34:08,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:08,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 23:34:08,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:08,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 23:34:08,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-08 23:34:08,469 INFO L87 Difference]: Start difference. First operand 296 states and 455 transitions. Second operand has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-08 23:34:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:09,128 INFO L93 Difference]: Finished difference Result 553 states and 843 transitions. [2024-11-08 23:34:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 23:34:09,129 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) Word has length 269 [2024-11-08 23:34:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:09,132 INFO L225 Difference]: With dead ends: 553 [2024-11-08 23:34:09,132 INFO L226 Difference]: Without dead ends: 260 [2024-11-08 23:34:09,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-11-08 23:34:09,133 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 265 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:09,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 594 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 23:34:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-08 23:34:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2024-11-08 23:34:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 210 states have internal predecessors, (284), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 370 transitions. [2024-11-08 23:34:09,147 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 370 transitions. Word has length 269 [2024-11-08 23:34:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:09,148 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 370 transitions. [2024-11-08 23:34:09,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 15 states have internal predecessors, (140), 6 states have call successors, (102), 3 states have call predecessors, (102), 7 states have return successors, (104), 6 states have call predecessors, (104), 6 states have call successors, (104) [2024-11-08 23:34:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 370 transitions. [2024-11-08 23:34:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-08 23:34:09,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:09,151 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:09,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:09,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:09,352 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:09,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:09,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1064010365, now seen corresponding path program 1 times [2024-11-08 23:34:09,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:09,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462011340] [2024-11-08 23:34:09,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:11,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:11,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462011340] [2024-11-08 23:34:11,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462011340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:11,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:11,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:34:11,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729278543] [2024-11-08 23:34:11,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:34:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:11,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:34:11,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:34:11,191 INFO L87 Difference]: Start difference. First operand 258 states and 370 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:12,290 INFO L93 Difference]: Finished difference Result 773 states and 1085 transitions. [2024-11-08 23:34:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 23:34:12,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-08 23:34:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:12,294 INFO L225 Difference]: With dead ends: 773 [2024-11-08 23:34:12,295 INFO L226 Difference]: Without dead ends: 518 [2024-11-08 23:34:12,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-08 23:34:12,297 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 719 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:12,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1159 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 23:34:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-08 23:34:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 295. [2024-11-08 23:34:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 246 states have (on average 1.3780487804878048) internal successors, (339), 247 states have internal predecessors, (339), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 425 transitions. [2024-11-08 23:34:12,323 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 425 transitions. Word has length 271 [2024-11-08 23:34:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:12,327 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 425 transitions. [2024-11-08 23:34:12,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 425 transitions. [2024-11-08 23:34:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-08 23:34:12,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:12,330 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:12,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 23:34:12,330 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:12,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:12,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1951093253, now seen corresponding path program 1 times [2024-11-08 23:34:12,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:12,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115456665] [2024-11-08 23:34:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:13,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:13,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115456665] [2024-11-08 23:34:13,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115456665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:13,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:13,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 23:34:13,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187136464] [2024-11-08 23:34:13,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:13,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 23:34:13,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:13,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 23:34:13,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 23:34:13,288 INFO L87 Difference]: Start difference. First operand 295 states and 425 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:14,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:14,060 INFO L93 Difference]: Finished difference Result 910 states and 1279 transitions. [2024-11-08 23:34:14,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 23:34:14,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 271 [2024-11-08 23:34:14,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:14,064 INFO L225 Difference]: With dead ends: 910 [2024-11-08 23:34:14,065 INFO L226 Difference]: Without dead ends: 616 [2024-11-08 23:34:14,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-08 23:34:14,066 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 517 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:14,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 909 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 23:34:14,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-08 23:34:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 307. [2024-11-08 23:34:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 258 states have (on average 1.372093023255814) internal successors, (354), 259 states have internal predecessors, (354), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 440 transitions. [2024-11-08 23:34:14,088 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 440 transitions. Word has length 271 [2024-11-08 23:34:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:14,089 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 440 transitions. [2024-11-08 23:34:14,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 440 transitions. [2024-11-08 23:34:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-08 23:34:14,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:14,093 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:14,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 23:34:14,093 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:14,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 362745351, now seen corresponding path program 1 times [2024-11-08 23:34:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100545594] [2024-11-08 23:34:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:14,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:14,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100545594] [2024-11-08 23:34:14,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100545594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:14,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040819690] [2024-11-08 23:34:14,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:14,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:14,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:14,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:14,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 23:34:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:14,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:34:14,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1190 proven. 48 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2024-11-08 23:34:15,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 27 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040819690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:15,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:15,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 16 [2024-11-08 23:34:15,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652973759] [2024-11-08 23:34:15,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:15,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 23:34:15,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:15,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 23:34:15,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-08 23:34:15,304 INFO L87 Difference]: Start difference. First operand 307 states and 440 transitions. Second operand has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-08 23:34:17,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:17,021 INFO L93 Difference]: Finished difference Result 1285 states and 1814 transitions. [2024-11-08 23:34:17,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-08 23:34:17,021 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 271 [2024-11-08 23:34:17,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:17,025 INFO L225 Difference]: With dead ends: 1285 [2024-11-08 23:34:17,025 INFO L226 Difference]: Without dead ends: 981 [2024-11-08 23:34:17,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 620 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1675 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1017, Invalid=3675, Unknown=0, NotChecked=0, Total=4692 [2024-11-08 23:34:17,027 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1440 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:17,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 1140 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 23:34:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-08 23:34:17,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 337. [2024-11-08 23:34:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 284 states have (on average 1.3556338028169015) internal successors, (385), 285 states have internal predecessors, (385), 43 states have call successors, (43), 9 states have call predecessors, (43), 9 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 471 transitions. [2024-11-08 23:34:17,067 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 471 transitions. Word has length 271 [2024-11-08 23:34:17,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:17,068 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 471 transitions. [2024-11-08 23:34:17,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.8125) internal successors, (125), 16 states have internal predecessors, (125), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-08 23:34:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 471 transitions. [2024-11-08 23:34:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:17,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:17,071 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:17,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:17,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 23:34:17,273 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:17,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:17,273 INFO L85 PathProgramCache]: Analyzing trace with hash -578461059, now seen corresponding path program 1 times [2024-11-08 23:34:17,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:17,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478500135] [2024-11-08 23:34:17,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:17,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478500135] [2024-11-08 23:34:17,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478500135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823415552] [2024-11-08 23:34:17,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:17,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:17,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:17,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:17,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 23:34:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:17,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:34:17,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1417 proven. 78 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2024-11-08 23:34:18,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 39 proven. 78 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:18,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823415552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:18,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:18,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-11-08 23:34:18,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208401025] [2024-11-08 23:34:18,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:18,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:34:18,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:18,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:34:18,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:34:18,890 INFO L87 Difference]: Start difference. First operand 337 states and 471 transitions. Second operand has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-08 23:34:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:19,182 INFO L93 Difference]: Finished difference Result 675 states and 943 transitions. [2024-11-08 23:34:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 23:34:19,183 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) Word has length 273 [2024-11-08 23:34:19,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:19,184 INFO L225 Difference]: With dead ends: 675 [2024-11-08 23:34:19,184 INFO L226 Difference]: Without dead ends: 341 [2024-11-08 23:34:19,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-08 23:34:19,185 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 266 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:19,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 692 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:34:19,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-08 23:34:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2024-11-08 23:34:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 284 states have (on average 1.3485915492957747) internal successors, (383), 285 states have internal predecessors, (383), 43 states have call successors, (43), 9 states have call predecessors, (43), 9 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 469 transitions. [2024-11-08 23:34:19,228 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 469 transitions. Word has length 273 [2024-11-08 23:34:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:19,229 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 469 transitions. [2024-11-08 23:34:19,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (120), 3 states have call predecessors, (120), 6 states have return successors, (120), 6 states have call predecessors, (120), 6 states have call successors, (120) [2024-11-08 23:34:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 469 transitions. [2024-11-08 23:34:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:19,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:19,230 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:19,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 23:34:19,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:19,432 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:19,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1422466561, now seen corresponding path program 1 times [2024-11-08 23:34:19,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:19,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532714152] [2024-11-08 23:34:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:19,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 84 proven. 33 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:19,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532714152] [2024-11-08 23:34:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532714152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572231435] [2024-11-08 23:34:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:19,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:19,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:19,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:19,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 23:34:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:20,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:34:20,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2021 proven. 126 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2024-11-08 23:34:20,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 207 proven. 135 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-08 23:34:21,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572231435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:21,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 27 [2024-11-08 23:34:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192806599] [2024-11-08 23:34:21,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:21,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-08 23:34:21,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:21,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-08 23:34:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-11-08 23:34:21,426 INFO L87 Difference]: Start difference. First operand 337 states and 469 transitions. Second operand has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-11-08 23:34:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:23,137 INFO L93 Difference]: Finished difference Result 1177 states and 1638 transitions. [2024-11-08 23:34:23,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 23:34:23,138 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) Word has length 273 [2024-11-08 23:34:23,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:23,141 INFO L225 Difference]: With dead ends: 1177 [2024-11-08 23:34:23,141 INFO L226 Difference]: Without dead ends: 843 [2024-11-08 23:34:23,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=979, Invalid=2327, Unknown=0, NotChecked=0, Total=3306 [2024-11-08 23:34:23,145 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1864 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 533 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1864 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:23,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1864 Valid, 902 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 23:34:23,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2024-11-08 23:34:23,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 508. [2024-11-08 23:34:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 452 states have (on average 1.3716814159292035) internal successors, (620), 453 states have internal predecessors, (620), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:23,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 706 transitions. [2024-11-08 23:34:23,177 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 706 transitions. Word has length 273 [2024-11-08 23:34:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:23,179 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 706 transitions. [2024-11-08 23:34:23,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.576923076923077) internal successors, (171), 25 states have internal predecessors, (171), 10 states have call successors, (108), 4 states have call predecessors, (108), 9 states have return successors, (109), 10 states have call predecessors, (109), 10 states have call successors, (109) [2024-11-08 23:34:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 706 transitions. [2024-11-08 23:34:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:23,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:23,180 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:23,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 23:34:23,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:23,385 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:23,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1028954878, now seen corresponding path program 1 times [2024-11-08 23:34:23,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:23,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476497251] [2024-11-08 23:34:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:25,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:25,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476497251] [2024-11-08 23:34:25,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476497251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:25,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:25,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 23:34:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636839080] [2024-11-08 23:34:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:25,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 23:34:25,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 23:34:25,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 23:34:25,928 INFO L87 Difference]: Start difference. First operand 508 states and 706 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:27,834 INFO L93 Difference]: Finished difference Result 1407 states and 1962 transitions. [2024-11-08 23:34:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 23:34:27,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 273 [2024-11-08 23:34:27,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:27,838 INFO L225 Difference]: With dead ends: 1407 [2024-11-08 23:34:27,838 INFO L226 Difference]: Without dead ends: 902 [2024-11-08 23:34:27,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2024-11-08 23:34:27,843 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 841 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:27,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 845 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 23:34:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-08 23:34:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 528. [2024-11-08 23:34:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 472 states have (on average 1.38135593220339) internal successors, (652), 473 states have internal predecessors, (652), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 738 transitions. [2024-11-08 23:34:27,907 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 738 transitions. Word has length 273 [2024-11-08 23:34:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:27,907 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 738 transitions. [2024-11-08 23:34:27,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 738 transitions. [2024-11-08 23:34:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:27,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:27,909 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:27,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 23:34:27,913 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:27,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:27,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1677664516, now seen corresponding path program 1 times [2024-11-08 23:34:27,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:27,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584429156] [2024-11-08 23:34:27,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:29,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:29,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584429156] [2024-11-08 23:34:29,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584429156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:29,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:29,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 23:34:29,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916448668] [2024-11-08 23:34:29,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:29,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:34:29,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:29,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:34:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-08 23:34:29,997 INFO L87 Difference]: Start difference. First operand 528 states and 738 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:32,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:32,053 INFO L93 Difference]: Finished difference Result 1748 states and 2404 transitions. [2024-11-08 23:34:32,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 23:34:32,054 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 273 [2024-11-08 23:34:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:32,058 INFO L225 Difference]: With dead ends: 1748 [2024-11-08 23:34:32,058 INFO L226 Difference]: Without dead ends: 1223 [2024-11-08 23:34:32,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2024-11-08 23:34:32,060 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1624 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:32,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 1124 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 23:34:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-08 23:34:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 613. [2024-11-08 23:34:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 557 states have (on average 1.3967684021543985) internal successors, (778), 558 states have internal predecessors, (778), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:34:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 864 transitions. [2024-11-08 23:34:32,097 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 864 transitions. Word has length 273 [2024-11-08 23:34:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:32,098 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 864 transitions. [2024-11-08 23:34:32,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 23:34:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 864 transitions. [2024-11-08 23:34:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:32,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:32,100 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:32,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 23:34:32,100 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:32,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash 397800838, now seen corresponding path program 1 times [2024-11-08 23:34:32,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:32,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460032963] [2024-11-08 23:34:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 90 proven. 138 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-08 23:34:33,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:33,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460032963] [2024-11-08 23:34:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460032963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392362986] [2024-11-08 23:34:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:33,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:33,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:33,409 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:33,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 23:34:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:33,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:34:33,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 477 proven. 108 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2024-11-08 23:34:33,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 9 proven. 108 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:34,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392362986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:34,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:34,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 19 [2024-11-08 23:34:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511946011] [2024-11-08 23:34:34,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:34,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 23:34:34,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:34,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 23:34:34,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-08 23:34:34,196 INFO L87 Difference]: Start difference. First operand 613 states and 864 transitions. Second operand has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) [2024-11-08 23:34:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:35,325 INFO L93 Difference]: Finished difference Result 1253 states and 1760 transitions. [2024-11-08 23:34:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 23:34:35,326 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) Word has length 273 [2024-11-08 23:34:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:35,329 INFO L225 Difference]: With dead ends: 1253 [2024-11-08 23:34:35,330 INFO L226 Difference]: Without dead ends: 643 [2024-11-08 23:34:35,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 23:34:35,332 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 1217 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:35,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1116 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 23:34:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-08 23:34:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 414. [2024-11-08 23:34:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 361 states have (on average 1.3545706371191135) internal successors, (489), 361 states have internal predecessors, (489), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 23:34:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 569 transitions. [2024-11-08 23:34:35,367 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 569 transitions. Word has length 273 [2024-11-08 23:34:35,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:35,368 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 569 transitions. [2024-11-08 23:34:35,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.526315789473685) internal successors, (181), 19 states have internal predecessors, (181), 6 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (117), 6 states have call predecessors, (117), 6 states have call successors, (117) [2024-11-08 23:34:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 569 transitions. [2024-11-08 23:34:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:35,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:35,370 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:35,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:35,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 23:34:35,571 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:35,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:35,572 INFO L85 PathProgramCache]: Analyzing trace with hash -119627544, now seen corresponding path program 1 times [2024-11-08 23:34:35,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:35,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004941615] [2024-11-08 23:34:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:35,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:35,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004941615] [2024-11-08 23:34:35,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004941615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791984723] [2024-11-08 23:34:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:35,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:35,973 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:35,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 23:34:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:36,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:34:36,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1219 proven. 87 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2024-11-08 23:34:36,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2024-11-08 23:34:36,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791984723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:36,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-08 23:34:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850277736] [2024-11-08 23:34:36,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:36,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 23:34:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:36,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 23:34:36,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 23:34:36,686 INFO L87 Difference]: Start difference. First operand 414 states and 569 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-08 23:34:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:37,187 INFO L93 Difference]: Finished difference Result 1256 states and 1719 transitions. [2024-11-08 23:34:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 23:34:37,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 273 [2024-11-08 23:34:37,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:37,194 INFO L225 Difference]: With dead ends: 1256 [2024-11-08 23:34:37,194 INFO L226 Difference]: Without dead ends: 845 [2024-11-08 23:34:37,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 622 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-08 23:34:37,196 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 386 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:37,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 676 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 23:34:37,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-11-08 23:34:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 831. [2024-11-08 23:34:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 724 states have (on average 1.3453038674033149) internal successors, (974), 724 states have internal predecessors, (974), 80 states have call successors, (80), 26 states have call predecessors, (80), 26 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-08 23:34:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1134 transitions. [2024-11-08 23:34:37,292 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1134 transitions. Word has length 273 [2024-11-08 23:34:37,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:37,292 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1134 transitions. [2024-11-08 23:34:37,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2024-11-08 23:34:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1134 transitions. [2024-11-08 23:34:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-08 23:34:37,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:37,296 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:37,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 23:34:37,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:37,497 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:37,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:37,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1707975446, now seen corresponding path program 1 times [2024-11-08 23:34:37,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:37,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597000417] [2024-11-08 23:34:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:37,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 81 proven. 147 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2024-11-08 23:34:38,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:38,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597000417] [2024-11-08 23:34:38,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597000417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:38,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172517666] [2024-11-08 23:34:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:38,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:38,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:38,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:38,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 23:34:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:34:38,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1985 proven. 87 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2024-11-08 23:34:38,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 246 proven. 96 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2024-11-08 23:34:39,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172517666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:34:39,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:34:39,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 28 [2024-11-08 23:34:39,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110167161] [2024-11-08 23:34:39,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:39,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 23:34:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:39,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 23:34:39,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-11-08 23:34:39,348 INFO L87 Difference]: Start difference. First operand 831 states and 1134 transitions. Second operand has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-08 23:34:42,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:42,849 INFO L93 Difference]: Finished difference Result 3423 states and 4598 transitions. [2024-11-08 23:34:42,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-08 23:34:42,850 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) Word has length 273 [2024-11-08 23:34:42,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:42,857 INFO L225 Difference]: With dead ends: 3423 [2024-11-08 23:34:42,857 INFO L226 Difference]: Without dead ends: 2595 [2024-11-08 23:34:42,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3495 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2551, Invalid=8579, Unknown=0, NotChecked=0, Total=11130 [2024-11-08 23:34:42,861 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 4062 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 623 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:42,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 907 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [623 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 23:34:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2024-11-08 23:34:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 1259. [2024-11-08 23:34:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1096 states have (on average 1.3175182481751824) internal successors, (1444), 1098 states have internal predecessors, (1444), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-08 23:34:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1664 transitions. [2024-11-08 23:34:42,990 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1664 transitions. Word has length 273 [2024-11-08 23:34:42,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:42,991 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1664 transitions. [2024-11-08 23:34:42,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.296296296296297) internal successors, (170), 26 states have internal predecessors, (170), 9 states have call successors, (88), 4 states have call predecessors, (88), 9 states have return successors, (90), 9 states have call predecessors, (90), 9 states have call successors, (90) [2024-11-08 23:34:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1664 transitions. [2024-11-08 23:34:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-08 23:34:42,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:42,993 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:43,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:34:43,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:43,198 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:43,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1460239965, now seen corresponding path program 1 times [2024-11-08 23:34:43,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:43,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614480573] [2024-11-08 23:34:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:43,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:43,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:43,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614480573] [2024-11-08 23:34:43,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614480573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:43,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:43,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:34:43,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595148256] [2024-11-08 23:34:43,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:43,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:34:43,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:43,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:34:43,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:34:43,651 INFO L87 Difference]: Start difference. First operand 1259 states and 1664 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:43,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:43,949 INFO L93 Difference]: Finished difference Result 2777 states and 3658 transitions. [2024-11-08 23:34:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:34:43,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 276 [2024-11-08 23:34:43,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:43,955 INFO L225 Difference]: With dead ends: 2777 [2024-11-08 23:34:43,955 INFO L226 Difference]: Without dead ends: 1521 [2024-11-08 23:34:43,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:34:43,957 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 178 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:43,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 709 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 23:34:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2024-11-08 23:34:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 949. [2024-11-08 23:34:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 786 states have (on average 1.262086513994911) internal successors, (992), 788 states have internal predecessors, (992), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-08 23:34:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1212 transitions. [2024-11-08 23:34:44,080 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1212 transitions. Word has length 276 [2024-11-08 23:34:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:44,081 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1212 transitions. [2024-11-08 23:34:44,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1212 transitions. [2024-11-08 23:34:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-08 23:34:44,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:44,082 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:44,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 23:34:44,083 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:44,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:44,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1803178920, now seen corresponding path program 1 times [2024-11-08 23:34:44,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:44,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486990536] [2024-11-08 23:34:44,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:44,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:34:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:34:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:34:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:34:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:34:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:34:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:34:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:34:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:34:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:34:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:34:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:34:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:34:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:34:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:34:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:34:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:34:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:34:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:34:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 23:34:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 23:34:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 23:34:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 23:34:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 23:34:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 23:34:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 23:34:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-08 23:34:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 23:34:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 23:34:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 23:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 23:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 23:34:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 23:34:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-08 23:34:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 23:34:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-08 23:34:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 23:34:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-08 23:34:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 23:34:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-08 23:34:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2024-11-08 23:34:44,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:44,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486990536] [2024-11-08 23:34:44,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486990536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:34:44,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:34:44,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 23:34:44,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154035644] [2024-11-08 23:34:44,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:34:44,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 23:34:44,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:44,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 23:34:44,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:34:44,384 INFO L87 Difference]: Start difference. First operand 949 states and 1212 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:44,708 INFO L93 Difference]: Finished difference Result 2049 states and 2637 transitions. [2024-11-08 23:34:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 23:34:44,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 278 [2024-11-08 23:34:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:44,713 INFO L225 Difference]: With dead ends: 2049 [2024-11-08 23:34:44,713 INFO L226 Difference]: Without dead ends: 1103 [2024-11-08 23:34:44,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 23:34:44,715 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 225 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:44,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 568 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 23:34:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-08 23:34:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 965. [2024-11-08 23:34:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 802 states have (on average 1.256857855361596) internal successors, (1008), 804 states have internal predecessors, (1008), 110 states have call successors, (110), 52 states have call predecessors, (110), 52 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-08 23:34:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1228 transitions. [2024-11-08 23:34:44,853 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1228 transitions. Word has length 278 [2024-11-08 23:34:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:44,854 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1228 transitions. [2024-11-08 23:34:44,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-11-08 23:34:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1228 transitions. [2024-11-08 23:34:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-08 23:34:44,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:44,856 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:44,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 23:34:44,856 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:44,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:44,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1662630310, now seen corresponding path program 1 times [2024-11-08 23:34:44,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:44,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729409676] [2024-11-08 23:34:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:45,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9083215] [2024-11-08 23:34:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:45,036 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:45,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 23:34:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:45,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:34:45,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2173 proven. 126 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2024-11-08 23:34:46,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:34:51,190 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (mod c_~var_1_19~0 65536))) (let ((.cse1 (+ 2 .cse3)) (.cse2 (mod c_~var_1_29~0 256))) (and (forall ((v_z_30 Int)) (let ((.cse0 (+ .cse2 (* (- 1) v_z_30)))) (or (< v_z_30 0) (< 126 v_z_30) (< (div c_~last_1_var_1_40~0 .cse0) .cse1) (not (= (mod c_~last_1_var_1_40~0 .cse0) 0))))) (forall ((v_z_30 Int)) (or (< v_z_30 0) (< 126 v_z_30) (< .cse2 v_z_30) (< (div c_~last_1_var_1_40~0 (+ .cse2 (* (- 1) v_z_30))) .cse1))) (forall ((v_z_30 Int)) (or (< v_z_30 0) (< (div c_~last_1_var_1_40~0 (+ .cse2 (* (- 1) v_z_30))) (+ 3 .cse3)) (< 126 v_z_30))) (or (forall ((v_z_30 Int)) (let ((.cse4 (+ .cse2 (* (- 1) v_z_30)))) (or (< (div c_~last_1_var_1_40~0 .cse4) (+ .cse3 1)) (= (mod c_~last_1_var_1_40~0 .cse4) 0) (< 126 v_z_30) (< .cse2 v_z_30)))) (< 0 (+ c_~last_1_var_1_40~0 1)))))) is different from false [2024-11-08 23:34:51,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:34:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729409676] [2024-11-08 23:34:51,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 23:34:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9083215] [2024-11-08 23:34:51,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9083215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:34:51,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 23:34:51,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-08 23:34:51,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30355201] [2024-11-08 23:34:51,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 23:34:51,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 23:34:51,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:34:51,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 23:34:51,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=184, Unknown=1, NotChecked=28, Total=272 [2024-11-08 23:34:51,205 INFO L87 Difference]: Start difference. First operand 965 states and 1228 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-08 23:34:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:34:52,571 INFO L93 Difference]: Finished difference Result 2506 states and 3198 transitions. [2024-11-08 23:34:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 23:34:52,571 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 278 [2024-11-08 23:34:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:34:52,577 INFO L225 Difference]: With dead ends: 2506 [2024-11-08 23:34:52,577 INFO L226 Difference]: Without dead ends: 1544 [2024-11-08 23:34:52,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=263, Invalid=732, Unknown=1, NotChecked=60, Total=1056 [2024-11-08 23:34:52,581 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 212 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 23:34:52,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1379 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 23:34:52,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-08 23:34:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1113. [2024-11-08 23:34:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 892 states have (on average 1.2354260089686098) internal successors, (1102), 894 states have internal predecessors, (1102), 150 states have call successors, (150), 70 states have call predecessors, (150), 70 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-08 23:34:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1402 transitions. [2024-11-08 23:34:52,813 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1402 transitions. Word has length 278 [2024-11-08 23:34:52,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:34:52,814 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1402 transitions. [2024-11-08 23:34:52,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-08 23:34:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1402 transitions. [2024-11-08 23:34:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-08 23:34:52,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:34:52,815 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:34:52,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 23:34:53,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 23:34:53,016 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:34:53,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash 265642392, now seen corresponding path program 1 times [2024-11-08 23:34:53,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:34:53,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819699617] [2024-11-08 23:34:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:53,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423978519] [2024-11-08 23:34:53,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:34:53,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:34:53,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:34:53,118 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:34:53,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 23:34:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:53,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 23:34:53,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 2132 proven. 390 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-08 23:35:01,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:35:04,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:35:04,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819699617] [2024-11-08 23:35:04,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 23:35:04,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423978519] [2024-11-08 23:35:04,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423978519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:35:04,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 23:35:04,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-11-08 23:35:04,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540207218] [2024-11-08 23:35:04,482 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 23:35:04,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 23:35:04,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:35:04,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 23:35:04,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=610, Unknown=5, NotChecked=0, Total=812 [2024-11-08 23:35:04,483 INFO L87 Difference]: Start difference. First operand 1113 states and 1402 transitions. Second operand has 23 states, 23 states have (on average 4.956521739130435) internal successors, (114), 23 states have internal predecessors, (114), 9 states have call successors, (40), 9 states have call predecessors, (40), 12 states have return successors, (40), 7 states have call predecessors, (40), 9 states have call successors, (40) [2024-11-08 23:35:08,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:35:12,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:35:16,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:35:20,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:35:24,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]