./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_operatoramount_amount250_file-8.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_operatoramount_amount250_file-8.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 8756b08be05a2754ba7f473b23db96aacdd088f16a43249dcd482c532b48d535 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:29:06,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:29:06,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:29:06,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:29:06,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:29:06,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:29:06,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:29:06,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:29:06,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:29:06,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:29:06,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:29:06,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:29:06,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:29:06,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:29:06,426 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:29:06,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:29:06,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:29:06,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:29:06,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:29:06,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:29:06,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:29:06,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:29:06,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:29:06,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:29:06,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:29:06,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:29:06,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:29:06,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:29:06,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:29:06,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:29:06,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:29:06,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:29:06,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:29:06,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:29:06,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:29:06,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:29:06,437 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8756b08be05a2754ba7f473b23db96aacdd088f16a43249dcd482c532b48d535 [2024-10-24 10:29:06,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:29:06,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:29:06,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:29:06,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:29:06,699 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:29:06,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.i [2024-10-24 10:29:08,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:29:08,297 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:29:08,298 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-8.i [2024-10-24 10:29:08,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9516dd78b/a87469aed459462d80be4fcd94b7aa4c/FLAG8e4f1000c [2024-10-24 10:29:08,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9516dd78b/a87469aed459462d80be4fcd94b7aa4c [2024-10-24 10:29:08,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:29:08,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:29:08,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:29:08,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:29:08,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:29:08,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17862e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08, skipping insertion in model container [2024-10-24 10:29:08,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:29:08,515 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_operatoramount_amount250_file-8.i[915,928] [2024-10-24 10:29:08,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:29:08,656 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:29:08,671 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_operatoramount_amount250_file-8.i[915,928] [2024-10-24 10:29:08,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:29:08,742 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:29:08,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08 WrapperNode [2024-10-24 10:29:08,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:29:08,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:29:08,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:29:08,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:29:08,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,827 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 397 [2024-10-24 10:29:08,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:29:08,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:29:08,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:29:08,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:29:08,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,902 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 10:29:08,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:29:08,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:29:08,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:29:08,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:29:08,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (1/1) ... [2024-10-24 10:29:08,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:29:08,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:29:08,993 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 10:29:08,995 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 10:29:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:29:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:29:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:29:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:29:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:29:09,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:29:09,133 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:29:09,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:29:09,792 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-10-24 10:29:09,793 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:29:09,836 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:29:09,836 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:29:09,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:09 BoogieIcfgContainer [2024-10-24 10:29:09,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:29:09,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:29:09,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:29:09,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:29:09,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:29:08" (1/3) ... [2024-10-24 10:29:09,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379f6c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:09, skipping insertion in model container [2024-10-24 10:29:09,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:29:08" (2/3) ... [2024-10-24 10:29:09,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379f6c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:29:09, skipping insertion in model container [2024-10-24 10:29:09,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:29:09" (3/3) ... [2024-10-24 10:29:09,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-8.i [2024-10-24 10:29:09,859 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:29:09,859 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:29:09,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:29:09,928 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;@2e6d2171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:29:09,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:29:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 115 states have (on average 1.5478260869565217) internal successors, (178), 116 states have internal predecessors, (178), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 10:29:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-24 10:29:09,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:09,962 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:09,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:09,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:09,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2062141958, now seen corresponding path program 1 times [2024-10-24 10:29:09,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:09,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553719384] [2024-10-24 10:29:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:09,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:10,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:10,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553719384] [2024-10-24 10:29:10,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553719384] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:10,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:10,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:29:10,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250790856] [2024-10-24 10:29:10,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:10,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:29:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:10,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:29:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:29:10,647 INFO L87 Difference]: Start difference. First operand has 168 states, 115 states have (on average 1.5478260869565217) internal successors, (178), 116 states have internal predecessors, (178), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:10,694 INFO L93 Difference]: Finished difference Result 333 states and 604 transitions. [2024-10-24 10:29:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:29:10,697 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 323 [2024-10-24 10:29:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:10,706 INFO L225 Difference]: With dead ends: 333 [2024-10-24 10:29:10,706 INFO L226 Difference]: Without dead ends: 166 [2024-10-24 10:29:10,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 10:29:10,713 INFO L432 NwaCegarLoop]: 270 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, 270 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 10:29:10,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:29:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-10-24 10:29:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-10-24 10:29:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 114 states have (on average 1.5175438596491229) internal successors, (173), 114 states have internal predecessors, (173), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 10:29:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 273 transitions. [2024-10-24 10:29:10,760 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 273 transitions. Word has length 323 [2024-10-24 10:29:10,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:10,761 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 273 transitions. [2024-10-24 10:29:10,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 273 transitions. [2024-10-24 10:29:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-24 10:29:10,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:10,770 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:10,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:29:10,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:10,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:10,771 INFO L85 PathProgramCache]: Analyzing trace with hash -959411634, now seen corresponding path program 1 times [2024-10-24 10:29:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:10,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853656984] [2024-10-24 10:29:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:10,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:11,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853656984] [2024-10-24 10:29:11,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853656984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:11,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:11,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:29:11,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303314106] [2024-10-24 10:29:11,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:11,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:29:11,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:11,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:29:11,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:29:11,254 INFO L87 Difference]: Start difference. First operand 166 states and 273 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:11,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:11,422 INFO L93 Difference]: Finished difference Result 483 states and 791 transitions. [2024-10-24 10:29:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:29:11,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-24 10:29:11,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:11,430 INFO L225 Difference]: With dead ends: 483 [2024-10-24 10:29:11,432 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 10:29:11,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 10:29:11,436 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 242 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:11,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 651 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:29:11,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 10:29:11,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-24 10:29:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 213 states have (on average 1.4366197183098592) internal successors, (306), 213 states have internal predecessors, (306), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 10:29:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 506 transitions. [2024-10-24 10:29:11,491 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 506 transitions. Word has length 323 [2024-10-24 10:29:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:11,493 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 506 transitions. [2024-10-24 10:29:11,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 506 transitions. [2024-10-24 10:29:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-24 10:29:11,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:11,499 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:11,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:29:11,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash -55979002, now seen corresponding path program 1 times [2024-10-24 10:29:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836581641] [2024-10-24 10:29:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:11,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:11,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836581641] [2024-10-24 10:29:11,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836581641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:11,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:11,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:29:11,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987057257] [2024-10-24 10:29:11,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:11,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:29:11,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:11,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:29:11,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:29:11,818 INFO L87 Difference]: Start difference. First operand 316 states and 506 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:11,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:11,909 INFO L93 Difference]: Finished difference Result 638 states and 1020 transitions. [2024-10-24 10:29:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:29:11,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-24 10:29:11,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:11,913 INFO L225 Difference]: With dead ends: 638 [2024-10-24 10:29:11,913 INFO L226 Difference]: Without dead ends: 323 [2024-10-24 10:29:11,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 10:29:11,915 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 216 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:11,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 479 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:29:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-24 10:29:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 321. [2024-10-24 10:29:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 218 states have (on average 1.3807339449541285) internal successors, (301), 218 states have internal predecessors, (301), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 10:29:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 501 transitions. [2024-10-24 10:29:11,960 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 501 transitions. Word has length 323 [2024-10-24 10:29:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:11,960 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 501 transitions. [2024-10-24 10:29:11,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:11,961 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 501 transitions. [2024-10-24 10:29:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-24 10:29:11,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:11,964 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:11,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:29:11,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:11,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:11,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1644326904, now seen corresponding path program 1 times [2024-10-24 10:29:11,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:11,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329261769] [2024-10-24 10:29:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:12,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:12,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329261769] [2024-10-24 10:29:12,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329261769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:12,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:12,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:29:12,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929679709] [2024-10-24 10:29:12,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:12,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:29:12,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:12,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:29:12,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:29:12,564 INFO L87 Difference]: Start difference. First operand 321 states and 501 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:12,707 INFO L93 Difference]: Finished difference Result 808 states and 1257 transitions. [2024-10-24 10:29:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:29:12,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-24 10:29:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:12,714 INFO L225 Difference]: With dead ends: 808 [2024-10-24 10:29:12,714 INFO L226 Difference]: Without dead ends: 488 [2024-10-24 10:29:12,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 10:29:12,716 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 144 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:12,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 481 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:29:12,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-24 10:29:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 478. [2024-10-24 10:29:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 324 states have (on average 1.373456790123457) internal successors, (445), 324 states have internal predecessors, (445), 150 states have call successors, (150), 3 states have call predecessors, (150), 3 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-24 10:29:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 745 transitions. [2024-10-24 10:29:12,764 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 745 transitions. Word has length 323 [2024-10-24 10:29:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:12,765 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 745 transitions. [2024-10-24 10:29:12,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 745 transitions. [2024-10-24 10:29:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-10-24 10:29:12,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:12,767 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:12,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:29:12,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:12,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:12,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1778340410, now seen corresponding path program 1 times [2024-10-24 10:29:12,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:12,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8592795] [2024-10-24 10:29:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:12,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:13,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:13,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8592795] [2024-10-24 10:29:13,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8592795] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:13,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:13,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:29:13,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832589497] [2024-10-24 10:29:13,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:13,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:29:13,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:13,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:29:13,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:29:13,360 INFO L87 Difference]: Start difference. First operand 478 states and 745 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:13,445 INFO L93 Difference]: Finished difference Result 1060 states and 1652 transitions. [2024-10-24 10:29:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:29:13,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 323 [2024-10-24 10:29:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:13,451 INFO L225 Difference]: With dead ends: 1060 [2024-10-24 10:29:13,451 INFO L226 Difference]: Without dead ends: 583 [2024-10-24 10:29:13,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 10:29:13,453 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 231 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:13,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 637 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:29:13,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-10-24 10:29:13,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 478. [2024-10-24 10:29:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 324 states have (on average 1.3611111111111112) internal successors, (441), 324 states have internal predecessors, (441), 150 states have call successors, (150), 3 states have call predecessors, (150), 3 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-24 10:29:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 741 transitions. [2024-10-24 10:29:13,507 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 741 transitions. Word has length 323 [2024-10-24 10:29:13,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:13,508 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 741 transitions. [2024-10-24 10:29:13,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 741 transitions. [2024-10-24 10:29:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-10-24 10:29:13,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:13,512 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:13,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:29:13,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:13,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash -539494378, now seen corresponding path program 1 times [2024-10-24 10:29:13,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:13,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24716207] [2024-10-24 10:29:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 63 proven. 84 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-24 10:29:14,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:14,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24716207] [2024-10-24 10:29:14,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24716207] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:29:14,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891389014] [2024-10-24 10:29:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:14,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:14,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:29:14,710 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 10:29:14,713 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 10:29:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:14,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 10:29:14,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:29:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2443 proven. 84 refuted. 0 times theorem prover too weak. 2373 trivial. 0 not checked. [2024-10-24 10:29:15,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:29:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 63 proven. 84 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-24 10:29:16,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891389014] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:29:16,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:29:16,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 20 [2024-10-24 10:29:16,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834609359] [2024-10-24 10:29:16,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:29:16,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 10:29:16,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:16,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 10:29:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-10-24 10:29:16,298 INFO L87 Difference]: Start difference. First operand 478 states and 741 transitions. Second operand has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) [2024-10-24 10:29:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:19,711 INFO L93 Difference]: Finished difference Result 2641 states and 4025 transitions. [2024-10-24 10:29:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-24 10:29:19,712 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) Word has length 324 [2024-10-24 10:29:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:19,723 INFO L225 Difference]: With dead ends: 2641 [2024-10-24 10:29:19,723 INFO L226 Difference]: Without dead ends: 2164 [2024-10-24 10:29:19,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=777, Invalid=2883, Unknown=0, NotChecked=0, Total=3660 [2024-10-24 10:29:19,728 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 1726 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 3196 SdHoareTripleChecker+Invalid, 3555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:19,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 3196 Invalid, 3555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 10:29:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2024-10-24 10:29:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1430. [2024-10-24 10:29:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 976 states have (on average 1.3504098360655739) internal successors, (1318), 980 states have internal predecessors, (1318), 434 states have call successors, (434), 19 states have call predecessors, (434), 19 states have return successors, (434), 430 states have call predecessors, (434), 434 states have call successors, (434) [2024-10-24 10:29:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2186 transitions. [2024-10-24 10:29:19,862 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2186 transitions. Word has length 324 [2024-10-24 10:29:19,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:19,863 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2186 transitions. [2024-10-24 10:29:19,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.6) internal successors, (192), 20 states have internal predecessors, (192), 6 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (150), 6 states have call predecessors, (150), 6 states have call successors, (150) [2024-10-24 10:29:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2186 transitions. [2024-10-24 10:29:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-24 10:29:19,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:19,866 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:19,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 10:29:20,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 10:29:20,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:20,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1319489473, now seen corresponding path program 1 times [2024-10-24 10:29:20,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:20,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085350976] [2024-10-24 10:29:20,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:20,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:20,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:20,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085350976] [2024-10-24 10:29:20,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085350976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:20,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:20,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:29:20,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451527427] [2024-10-24 10:29:20,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:20,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:29:20,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:29:20,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:29:20,443 INFO L87 Difference]: Start difference. First operand 1430 states and 2186 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:20,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:20,788 INFO L93 Difference]: Finished difference Result 2696 states and 4128 transitions. [2024-10-24 10:29:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:29:20,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 327 [2024-10-24 10:29:20,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:20,801 INFO L225 Difference]: With dead ends: 2696 [2024-10-24 10:29:20,801 INFO L226 Difference]: Without dead ends: 1432 [2024-10-24 10:29:20,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:29:20,806 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 229 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:20,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1011 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:29:20,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-10-24 10:29:20,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2024-10-24 10:29:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 976 states have (on average 1.3452868852459017) internal successors, (1313), 980 states have internal predecessors, (1313), 434 states have call successors, (434), 19 states have call predecessors, (434), 19 states have return successors, (434), 430 states have call predecessors, (434), 434 states have call successors, (434) [2024-10-24 10:29:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2181 transitions. [2024-10-24 10:29:20,944 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2181 transitions. Word has length 327 [2024-10-24 10:29:20,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:20,946 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2181 transitions. [2024-10-24 10:29:20,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 10:29:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2181 transitions. [2024-10-24 10:29:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-10-24 10:29:20,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:20,949 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:20,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:29:20,949 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:20,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:20,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1002980823, now seen corresponding path program 1 times [2024-10-24 10:29:20,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:20,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290672108] [2024-10-24 10:29:20,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:20,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 87 proven. 60 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-24 10:29:24,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:24,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290672108] [2024-10-24 10:29:24,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290672108] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:29:24,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537930056] [2024-10-24 10:29:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:24,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:24,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:29:24,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:29:24,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 10:29:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:24,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-24 10:29:24,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:29:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3105 proven. 249 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2024-10-24 10:29:27,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:29:33,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537930056] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:29:33,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 10:29:33,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20] total 29 [2024-10-24 10:29:33,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313982510] [2024-10-24 10:29:33,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 10:29:33,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-24 10:29:33,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:33,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-24 10:29:33,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1213, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 10:29:33,078 INFO L87 Difference]: Start difference. First operand 1430 states and 2181 transitions. Second operand has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-24 10:29:38,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:38,765 INFO L93 Difference]: Finished difference Result 3948 states and 5851 transitions. [2024-10-24 10:29:38,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-24 10:29:38,765 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) Word has length 327 [2024-10-24 10:29:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:38,778 INFO L225 Difference]: With dead ends: 3948 [2024-10-24 10:29:38,778 INFO L226 Difference]: Without dead ends: 2519 [2024-10-24 10:29:38,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3896 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2699, Invalid=9511, Unknown=0, NotChecked=0, Total=12210 [2024-10-24 10:29:38,787 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 2851 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 3685 mSolverCounterSat, 1705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 5390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1705 IncrementalHoareTripleChecker+Valid, 3685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:38,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 2481 Invalid, 5390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1705 Valid, 3685 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-24 10:29:38,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2024-10-24 10:29:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2221. [2024-10-24 10:29:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 1533 states have (on average 1.3137638617090672) internal successors, (2014), 1541 states have internal predecessors, (2014), 642 states have call successors, (642), 45 states have call predecessors, (642), 45 states have return successors, (642), 634 states have call predecessors, (642), 642 states have call successors, (642) [2024-10-24 10:29:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3298 transitions. [2024-10-24 10:29:38,971 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3298 transitions. Word has length 327 [2024-10-24 10:29:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:38,972 INFO L471 AbstractCegarLoop]: Abstraction has 2221 states and 3298 transitions. [2024-10-24 10:29:38,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 27 states have internal predecessors, (180), 10 states have call successors, (100), 7 states have call predecessors, (100), 11 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-24 10:29:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3298 transitions. [2024-10-24 10:29:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:38,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:38,974 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:38,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 10:29:39,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-24 10:29:39,179 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:39,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash -360720154, now seen corresponding path program 1 times [2024-10-24 10:29:39,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:39,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36557657] [2024-10-24 10:29:39,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:39,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:39,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36557657] [2024-10-24 10:29:39,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36557657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:39,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:39,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 10:29:39,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780745492] [2024-10-24 10:29:39,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:39,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:29:39,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:39,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:29:39,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:29:39,758 INFO L87 Difference]: Start difference. First operand 2221 states and 3298 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:41,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:41,227 INFO L93 Difference]: Finished difference Result 4106 states and 6139 transitions. [2024-10-24 10:29:41,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 10:29:41,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-24 10:29:41,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:41,246 INFO L225 Difference]: With dead ends: 4106 [2024-10-24 10:29:41,247 INFO L226 Difference]: Without dead ends: 3175 [2024-10-24 10:29:41,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:29:41,254 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 723 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:41,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1225 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 10:29:41,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2024-10-24 10:29:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2533. [2024-10-24 10:29:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 1820 states have (on average 1.3379120879120878) internal successors, (2435), 1829 states have internal predecessors, (2435), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-24 10:29:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3737 transitions. [2024-10-24 10:29:41,533 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3737 transitions. Word has length 328 [2024-10-24 10:29:41,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:41,533 INFO L471 AbstractCegarLoop]: Abstraction has 2533 states and 3737 transitions. [2024-10-24 10:29:41,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:41,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3737 transitions. [2024-10-24 10:29:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:41,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:41,537 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:41,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 10:29:41,537 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:41,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:41,537 INFO L85 PathProgramCache]: Analyzing trace with hash -85960540, now seen corresponding path program 1 times [2024-10-24 10:29:41,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:41,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922742986] [2024-10-24 10:29:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:42,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922742986] [2024-10-24 10:29:42,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922742986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:42,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:42,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 10:29:42,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045240826] [2024-10-24 10:29:42,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:42,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 10:29:42,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:42,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 10:29:42,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 10:29:42,240 INFO L87 Difference]: Start difference. First operand 2533 states and 3737 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-24 10:29:43,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:43,952 INFO L93 Difference]: Finished difference Result 4061 states and 6065 transitions. [2024-10-24 10:29:43,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 10:29:43,953 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 328 [2024-10-24 10:29:43,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:43,970 INFO L225 Difference]: With dead ends: 4061 [2024-10-24 10:29:43,970 INFO L226 Difference]: Without dead ends: 2945 [2024-10-24 10:29:43,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-10-24 10:29:43,975 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 832 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:43,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1133 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 10:29:43,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-10-24 10:29:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2534. [2024-10-24 10:29:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1821 states have (on average 1.3377265238879736) internal successors, (2436), 1830 states have internal predecessors, (2436), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-24 10:29:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3738 transitions. [2024-10-24 10:29:44,273 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3738 transitions. Word has length 328 [2024-10-24 10:29:44,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:44,273 INFO L471 AbstractCegarLoop]: Abstraction has 2534 states and 3738 transitions. [2024-10-24 10:29:44,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-10-24 10:29:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3738 transitions. [2024-10-24 10:29:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:44,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:44,276 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:44,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 10:29:44,276 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:44,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash 54588070, now seen corresponding path program 1 times [2024-10-24 10:29:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:44,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726936892] [2024-10-24 10:29:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 10:29:44,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726936892] [2024-10-24 10:29:44,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726936892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:29:44,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:29:44,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 10:29:44,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147480798] [2024-10-24 10:29:44,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:29:44,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:29:44,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:29:44,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:29:44,800 INFO L87 Difference]: Start difference. First operand 2534 states and 3738 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:46,138 INFO L93 Difference]: Finished difference Result 3813 states and 5681 transitions. [2024-10-24 10:29:46,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 10:29:46,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-24 10:29:46,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:46,152 INFO L225 Difference]: With dead ends: 3813 [2024-10-24 10:29:46,153 INFO L226 Difference]: Without dead ends: 2696 [2024-10-24 10:29:46,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:29:46,158 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 594 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:46,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1270 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 10:29:46,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2024-10-24 10:29:46,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2458. [2024-10-24 10:29:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 1745 states have (on average 1.3255014326647565) internal successors, (2313), 1754 states have internal predecessors, (2313), 651 states have call successors, (651), 61 states have call predecessors, (651), 61 states have return successors, (651), 642 states have call predecessors, (651), 651 states have call successors, (651) [2024-10-24 10:29:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3615 transitions. [2024-10-24 10:29:46,487 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3615 transitions. Word has length 328 [2024-10-24 10:29:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:46,490 INFO L471 AbstractCegarLoop]: Abstraction has 2458 states and 3615 transitions. [2024-10-24 10:29:46,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3615 transitions. [2024-10-24 10:29:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:46,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:46,497 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:46,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:29:46,498 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:46,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:46,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1702744482, now seen corresponding path program 1 times [2024-10-24 10:29:46,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:46,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308629689] [2024-10-24 10:29:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:29:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:29:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 10:29:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:29:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:29:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:29:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 10:29:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 10:29:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 10:29:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 10:29:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 10:29:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 10:29:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 10:29:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 10:29:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 10:29:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 10:29:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 10:29:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 10:29:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 10:29:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:29:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 10:29:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:29:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 10:29:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:29:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 10:29:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:29:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 10:29:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:29:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 10:29:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:29:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 10:29:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:29:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 10:29:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:29:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 10:29:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 10:29:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 10:29:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 10:29:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 10:29:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 10:29:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 10:29:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 10:29:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-24 10:29:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 10:29:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 10:29:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 10:29:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 10:29:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 10:29:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 10:29:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 10:29:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 21 proven. 126 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-24 10:29:47,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:47,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308629689] [2024-10-24 10:29:47,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308629689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:29:47,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519763661] [2024-10-24 10:29:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:47,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:29:47,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:29:47,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 10:29:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:47,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 10:29:47,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:29:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2747 proven. 126 refuted. 0 times theorem prover too weak. 2027 trivial. 0 not checked. [2024-10-24 10:29:47,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:29:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 21 proven. 126 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-24 10:29:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519763661] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:29:47,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:29:47,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-24 10:29:47,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842705523] [2024-10-24 10:29:47,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:29:47,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 10:29:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:47,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 10:29:47,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:29:47,997 INFO L87 Difference]: Start difference. First operand 2458 states and 3615 transitions. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2024-10-24 10:29:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:48,541 INFO L93 Difference]: Finished difference Result 4101 states and 5976 transitions. [2024-10-24 10:29:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 10:29:48,542 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) Word has length 328 [2024-10-24 10:29:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:48,555 INFO L225 Difference]: With dead ends: 4101 [2024-10-24 10:29:48,555 INFO L226 Difference]: Without dead ends: 2459 [2024-10-24 10:29:48,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=171, Unknown=0, NotChecked=0, Total=272 [2024-10-24 10:29:48,561 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 256 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:48,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 483 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:29:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2024-10-24 10:29:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2371. [2024-10-24 10:29:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 1698 states have (on average 1.3056537102473498) internal successors, (2217), 1707 states have internal predecessors, (2217), 585 states have call successors, (585), 87 states have call predecessors, (585), 87 states have return successors, (585), 576 states have call predecessors, (585), 585 states have call successors, (585) [2024-10-24 10:29:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 3387 transitions. [2024-10-24 10:29:48,915 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 3387 transitions. Word has length 328 [2024-10-24 10:29:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:48,916 INFO L471 AbstractCegarLoop]: Abstraction has 2371 states and 3387 transitions. [2024-10-24 10:29:48,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 6 states have call successors, (134), 3 states have call predecessors, (134), 5 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2024-10-24 10:29:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3387 transitions. [2024-10-24 10:29:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:48,918 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:48,919 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:48,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 10:29:49,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:49,120 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:49,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2079927174, now seen corresponding path program 1 times [2024-10-24 10:29:49,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:49,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990032896] [2024-10-24 10:29:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:29:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 10:29:49,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532031610] [2024-10-24 10:29:49,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:49,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:29:49,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:29:49,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 10:29:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:29:49,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 10:29:49,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:29:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1947 proven. 108 refuted. 0 times theorem prover too weak. 2845 trivial. 0 not checked. [2024-10-24 10:29:50,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:29:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:29:50,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990032896] [2024-10-24 10:29:50,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 10:29:50,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532031610] [2024-10-24 10:29:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532031610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:29:50,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 10:29:50,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-24 10:29:50,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083051138] [2024-10-24 10:29:50,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 10:29:50,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:29:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:29:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:29:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 10:29:50,774 INFO L87 Difference]: Start difference. First operand 2371 states and 3387 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:51,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:29:51,678 INFO L93 Difference]: Finished difference Result 4771 states and 6797 transitions. [2024-10-24 10:29:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 10:29:51,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 328 [2024-10-24 10:29:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:29:51,693 INFO L225 Difference]: With dead ends: 4771 [2024-10-24 10:29:51,693 INFO L226 Difference]: Without dead ends: 2401 [2024-10-24 10:29:51,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2024-10-24 10:29:51,699 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 222 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:29:51,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1063 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:29:51,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-10-24 10:29:51,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2387. [2024-10-24 10:29:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1710 states have (on average 1.3011695906432748) internal successors, (2225), 1719 states have internal predecessors, (2225), 585 states have call successors, (585), 91 states have call predecessors, (585), 91 states have return successors, (585), 576 states have call predecessors, (585), 585 states have call successors, (585) [2024-10-24 10:29:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3395 transitions. [2024-10-24 10:29:51,998 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3395 transitions. Word has length 328 [2024-10-24 10:29:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:29:51,999 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3395 transitions. [2024-10-24 10:29:51,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 10:29:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3395 transitions. [2024-10-24 10:29:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-10-24 10:29:52,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:29:52,001 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:52,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 10:29:52,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:29:52,202 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:29:52,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:29:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1861072456, now seen corresponding path program 1 times [2024-10-24 10:29:52,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:29:52,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873140314] [2024-10-24 10:29:52,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:29:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:30:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 10:30:21,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697949103] [2024-10-24 10:30:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:30:21,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:30:21,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:30:21,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:30:21,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 10:30:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:30:21,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-24 10:30:21,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:30:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2875 proven. 468 refuted. 0 times theorem prover too weak. 1557 trivial. 0 not checked. [2024-10-24 10:30:23,608 INFO L311 TraceCheckSpWp]: Computing backward predicates...