./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:12:57,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:12:57,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:12:57,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:12:57,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:12:57,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:12:57,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:12:57,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:12:57,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:12:57,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:12:57,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:12:57,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:12:57,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:12:57,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:12:57,160 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:12:57,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:12:57,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:12:57,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:12:57,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:12:57,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:12:57,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:12:57,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:12:57,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:12:57,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:12:57,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:12:57,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:12:57,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:12:57,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:12:57,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:12:57,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:12:57,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:12:57,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:12:57,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:12:57,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:12:57,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:12:57,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:12:57,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:12:57,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:12:57,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:12:57,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:12:57,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:12:57,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:12:57,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e6a4b29406119efb89376103b682bde5f3a12f7939ad220de065669d2eef17 [2024-10-24 08:12:57,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:12:57,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:12:57,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:12:57,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:12:57,400 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:12:57,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-10-24 08:12:58,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:12:59,072 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:12:59,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-10-24 08:12:59,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704006d28/1d94226b0c734bc6a81546763e04ae45/FLAGa8e4ffca0 [2024-10-24 08:12:59,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704006d28/1d94226b0c734bc6a81546763e04ae45 [2024-10-24 08:12:59,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:12:59,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:12:59,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:12:59,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:12:59,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:12:59,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1504ba07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59, skipping insertion in model container [2024-10-24 08:12:59,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:12:59,359 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-10-24 08:12:59,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:12:59,433 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:12:59,444 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i[919,932] [2024-10-24 08:12:59,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:12:59,534 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:12:59,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59 WrapperNode [2024-10-24 08:12:59,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:12:59,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:12:59,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:12:59,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:12:59,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,598 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247 [2024-10-24 08:12:59,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:12:59,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:12:59,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:12:59,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:12:59,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,658 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:12:59,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:12:59,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:12:59,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:12:59,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:12:59,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (1/1) ... [2024-10-24 08:12:59,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:12:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:12:59,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:12:59,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:12:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:12:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:12:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:12:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:12:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:12:59,925 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:12:59,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:13:00,329 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 08:13:00,329 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:13:00,382 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:13:00,383 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:13:00,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:13:00 BoogieIcfgContainer [2024-10-24 08:13:00,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:13:00,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:13:00,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:13:00,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:13:00,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:12:59" (1/3) ... [2024-10-24 08:13:00,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163add13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:13:00, skipping insertion in model container [2024-10-24 08:13:00,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:12:59" (2/3) ... [2024-10-24 08:13:00,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@163add13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:13:00, skipping insertion in model container [2024-10-24 08:13:00,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:13:00" (3/3) ... [2024-10-24 08:13:00,390 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-52.i [2024-10-24 08:13:00,402 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:13:00,403 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:13:00,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:13:00,457 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;@7d3514f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:13:00,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:13:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 08:13:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 08:13:00,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:00,473 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:00,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:00,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:00,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1079275374, now seen corresponding path program 1 times [2024-10-24 08:13:00,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:00,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457699824] [2024-10-24 08:13:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457699824] [2024-10-24 08:13:00,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457699824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:00,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:13:00,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039512257] [2024-10-24 08:13:00,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:00,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:13:00,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:13:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:13:00,942 INFO L87 Difference]: Start difference. First operand has 99 states, 62 states have (on average 1.467741935483871) internal successors, (91), 63 states have internal predecessors, (91), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 08:13:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:00,992 INFO L93 Difference]: Finished difference Result 195 states and 350 transitions. [2024-10-24 08:13:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:13:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-10-24 08:13:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:01,003 INFO L225 Difference]: With dead ends: 195 [2024-10-24 08:13:01,003 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 08:13:01,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:13:01,012 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:01,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:13:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 08:13:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-24 08:13:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 61 states have internal predecessors, (86), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 08:13:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-24 08:13:01,061 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 214 [2024-10-24 08:13:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:01,062 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-24 08:13:01,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 08:13:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-24 08:13:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 08:13:01,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:01,066 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:01,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:13:01,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:01,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash -742536590, now seen corresponding path program 1 times [2024-10-24 08:13:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:01,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038114306] [2024-10-24 08:13:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:01,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038114306] [2024-10-24 08:13:01,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038114306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:01,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:01,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:13:01,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445850426] [2024-10-24 08:13:01,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:01,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:13:01,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:01,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:13:01,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:13:01,640 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:01,864 INFO L93 Difference]: Finished difference Result 193 states and 307 transitions. [2024-10-24 08:13:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:13:01,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 08:13:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:01,871 INFO L225 Difference]: With dead ends: 193 [2024-10-24 08:13:01,871 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 08:13:01,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:13:01,872 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 138 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:01,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 218 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:13:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 08:13:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-24 08:13:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 08:13:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 153 transitions. [2024-10-24 08:13:01,892 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 153 transitions. Word has length 214 [2024-10-24 08:13:01,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:01,896 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 153 transitions. [2024-10-24 08:13:01,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2024-10-24 08:13:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 08:13:01,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:01,902 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:01,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:13:01,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:01,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:01,903 INFO L85 PathProgramCache]: Analyzing trace with hash -155730576, now seen corresponding path program 1 times [2024-10-24 08:13:01,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:01,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447472032] [2024-10-24 08:13:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:02,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447472032] [2024-10-24 08:13:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447472032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:02,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:02,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:13:02,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420116069] [2024-10-24 08:13:02,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:02,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:13:02,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:02,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:13:02,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:13:02,368 INFO L87 Difference]: Start difference. First operand 97 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:02,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:02,540 INFO L93 Difference]: Finished difference Result 261 states and 411 transitions. [2024-10-24 08:13:02,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 08:13:02,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 08:13:02,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:02,542 INFO L225 Difference]: With dead ends: 261 [2024-10-24 08:13:02,542 INFO L226 Difference]: Without dead ends: 165 [2024-10-24 08:13:02,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:13:02,544 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 101 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:02,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 602 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:13:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-24 08:13:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-10-24 08:13:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 109 states have (on average 1.4311926605504588) internal successors, (156), 110 states have internal predecessors, (156), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:13:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2024-10-24 08:13:02,573 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 214 [2024-10-24 08:13:02,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:02,574 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2024-10-24 08:13:02,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2024-10-24 08:13:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 08:13:02,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:02,578 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:02,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:13:02,579 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:02,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:02,580 INFO L85 PathProgramCache]: Analyzing trace with hash 63124142, now seen corresponding path program 1 times [2024-10-24 08:13:02,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:02,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100284962] [2024-10-24 08:13:02,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:02,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:02,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:02,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100284962] [2024-10-24 08:13:02,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100284962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:02,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:02,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:13:02,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881528645] [2024-10-24 08:13:02,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:02,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:13:02,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:13:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:13:02,832 INFO L87 Difference]: Start difference. First operand 162 states and 256 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:02,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:02,881 INFO L93 Difference]: Finished difference Result 450 states and 711 transitions. [2024-10-24 08:13:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:13:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 08:13:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:02,889 INFO L225 Difference]: With dead ends: 450 [2024-10-24 08:13:02,889 INFO L226 Difference]: Without dead ends: 289 [2024-10-24 08:13:02,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:13:02,893 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 95 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:02,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 336 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:13:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-24 08:13:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 286. [2024-10-24 08:13:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 197 states have (on average 1.4416243654822336) internal successors, (284), 200 states have internal predecessors, (284), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 08:13:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 452 transitions. [2024-10-24 08:13:02,932 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 452 transitions. Word has length 214 [2024-10-24 08:13:02,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:02,933 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 452 transitions. [2024-10-24 08:13:02,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 452 transitions. [2024-10-24 08:13:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 08:13:02,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:02,935 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:02,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:13:02,935 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:02,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:02,936 INFO L85 PathProgramCache]: Analyzing trace with hash -351340341, now seen corresponding path program 1 times [2024-10-24 08:13:02,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:02,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709499494] [2024-10-24 08:13:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:10,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:10,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709499494] [2024-10-24 08:13:10,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709499494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:10,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:10,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 08:13:10,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178010975] [2024-10-24 08:13:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:10,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 08:13:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 08:13:10,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-10-24 08:13:10,670 INFO L87 Difference]: Start difference. First operand 286 states and 452 transitions. Second operand has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 08:13:13,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:13,333 INFO L93 Difference]: Finished difference Result 600 states and 929 transitions. [2024-10-24 08:13:13,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 08:13:13,333 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 215 [2024-10-24 08:13:13,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:13,339 INFO L225 Difference]: With dead ends: 600 [2024-10-24 08:13:13,339 INFO L226 Difference]: Without dead ends: 598 [2024-10-24 08:13:13,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2024-10-24 08:13:13,341 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 303 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:13,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1192 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 08:13:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-24 08:13:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 506. [2024-10-24 08:13:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 380 states have (on average 1.4789473684210526) internal successors, (562), 383 states have internal predecessors, (562), 118 states have call successors, (118), 7 states have call predecessors, (118), 7 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2024-10-24 08:13:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 798 transitions. [2024-10-24 08:13:13,384 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 798 transitions. Word has length 215 [2024-10-24 08:13:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:13,385 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 798 transitions. [2024-10-24 08:13:13,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 08:13:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 798 transitions. [2024-10-24 08:13:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 08:13:13,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:13,388 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:13,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:13:13,388 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:13,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:13,389 INFO L85 PathProgramCache]: Analyzing trace with hash 880809931, now seen corresponding path program 1 times [2024-10-24 08:13:13,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:13,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864836669] [2024-10-24 08:13:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:13,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:17,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:17,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864836669] [2024-10-24 08:13:17,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864836669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:17,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:17,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:13:17,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867085346] [2024-10-24 08:13:17,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:17,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:13:17,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:17,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:13:17,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:13:17,476 INFO L87 Difference]: Start difference. First operand 506 states and 798 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:18,554 INFO L93 Difference]: Finished difference Result 1320 states and 2054 transitions. [2024-10-24 08:13:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 08:13:18,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-24 08:13:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:18,569 INFO L225 Difference]: With dead ends: 1320 [2024-10-24 08:13:18,572 INFO L226 Difference]: Without dead ends: 983 [2024-10-24 08:13:18,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-10-24 08:13:18,575 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 248 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:18,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 799 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 08:13:18,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-10-24 08:13:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 933. [2024-10-24 08:13:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 691 states have (on average 1.4182344428364688) internal successors, (980), 701 states have internal predecessors, (980), 226 states have call successors, (226), 15 states have call predecessors, (226), 15 states have return successors, (226), 216 states have call predecessors, (226), 226 states have call successors, (226) [2024-10-24 08:13:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1432 transitions. [2024-10-24 08:13:18,713 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1432 transitions. Word has length 215 [2024-10-24 08:13:18,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:18,714 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1432 transitions. [2024-10-24 08:13:18,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 08:13:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1432 transitions. [2024-10-24 08:13:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 08:13:18,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:18,716 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:18,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:13:18,716 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:18,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1992103143, now seen corresponding path program 1 times [2024-10-24 08:13:18,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:18,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780359459] [2024-10-24 08:13:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:24,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:24,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:25,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:25,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780359459] [2024-10-24 08:13:25,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780359459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:25,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:25,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 08:13:25,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915590022] [2024-10-24 08:13:25,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:25,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 08:13:25,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:25,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 08:13:25,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:13:25,174 INFO L87 Difference]: Start difference. First operand 933 states and 1432 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 08:13:28,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:28,037 INFO L93 Difference]: Finished difference Result 1049 states and 1590 transitions. [2024-10-24 08:13:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 08:13:28,038 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 216 [2024-10-24 08:13:28,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:28,044 INFO L225 Difference]: With dead ends: 1049 [2024-10-24 08:13:28,044 INFO L226 Difference]: Without dead ends: 1047 [2024-10-24 08:13:28,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=245, Invalid=945, Unknown=0, NotChecked=0, Total=1190 [2024-10-24 08:13:28,046 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 301 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:28,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1045 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 08:13:28,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-10-24 08:13:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 941. [2024-10-24 08:13:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 699 states have (on average 1.4248927038626609) internal successors, (996), 709 states have internal predecessors, (996), 226 states have call successors, (226), 15 states have call predecessors, (226), 15 states have return successors, (226), 216 states have call predecessors, (226), 226 states have call successors, (226) [2024-10-24 08:13:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1448 transitions. [2024-10-24 08:13:28,116 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1448 transitions. Word has length 216 [2024-10-24 08:13:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:28,117 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1448 transitions. [2024-10-24 08:13:28,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-24 08:13:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1448 transitions. [2024-10-24 08:13:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-24 08:13:28,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:28,120 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:13:28,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:13:28,121 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:28,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:28,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2059846807, now seen corresponding path program 1 times [2024-10-24 08:13:28,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:28,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98601602] [2024-10-24 08:13:28,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 08:13:31,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:31,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98601602] [2024-10-24 08:13:31,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98601602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:13:31,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:13:31,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:13:31,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851532953] [2024-10-24 08:13:31,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:13:31,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:13:31,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:13:31,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:13:31,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:13:31,046 INFO L87 Difference]: Start difference. First operand 941 states and 1448 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 08:13:31,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:13:31,573 INFO L93 Difference]: Finished difference Result 1617 states and 2493 transitions. [2024-10-24 08:13:31,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:13:31,574 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 216 [2024-10-24 08:13:31,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:13:31,579 INFO L225 Difference]: With dead ends: 1617 [2024-10-24 08:13:31,579 INFO L226 Difference]: Without dead ends: 905 [2024-10-24 08:13:31,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-24 08:13:31,604 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 154 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:13:31,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1076 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:13:31,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-10-24 08:13:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2024-10-24 08:13:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 655 states have (on average 1.4290076335877862) internal successors, (936), 665 states have internal predecessors, (936), 226 states have call successors, (226), 15 states have call predecessors, (226), 15 states have return successors, (226), 216 states have call predecessors, (226), 226 states have call successors, (226) [2024-10-24 08:13:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1388 transitions. [2024-10-24 08:13:31,676 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1388 transitions. Word has length 216 [2024-10-24 08:13:31,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:13:31,676 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1388 transitions. [2024-10-24 08:13:31,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-10-24 08:13:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1388 transitions. [2024-10-24 08:13:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-10-24 08:13:31,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:13:31,682 INFO L215 NwaCegarLoop]: trace histogram [68, 68, 68, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 08:13:31,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:13:31,682 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:13:31,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:13:31,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1741029738, now seen corresponding path program 1 times [2024-10-24 08:13:31,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:13:31,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235381615] [2024-10-24 08:13:31,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:31,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:13:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:13:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:13:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:13:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:13:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:13:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:13:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:13:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:13:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:13:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:13:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:13:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:13:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:13:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:13:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:13:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:13:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:13:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:13:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:13:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:13:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:13:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:13:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:13:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:13:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:13:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:13:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:13:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 08:13:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 08:13:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 08:13:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:13:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 08:13:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:13:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 08:13:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:13:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:13:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:13:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:13:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:13:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:13:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:13:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 08:13:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 08:13:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 08:13:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-24 08:13:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 08:13:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-24 08:13:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 08:13:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 08:13:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 08:13:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 08:13:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 08:13:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 08:13:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 08:13:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 08:13:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 08:13:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 08:13:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 08:13:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 08:13:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-24 08:13:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 08:13:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 08:13:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-10-24 08:13:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2024-10-24 08:13:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2024-10-24 08:13:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-24 08:13:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-24 08:13:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-24 08:13:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9189 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2024-10-24 08:13:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:13:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235381615] [2024-10-24 08:13:37,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235381615] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 08:13:37,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603039504] [2024-10-24 08:13:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:13:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:13:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:13:37,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:13:37,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:13:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:13:37,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-24 08:13:37,689 INFO L278 TraceCheckSpWp]: Computing forward predicates...