./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash b18ea44291cf6a5fe4a58e4ca0647553170f03564941daee77c7211d4f72496f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 03:20:17,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 03:20:17,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 03:20:17,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 03:20:17,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 03:20:17,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 03:20:17,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 03:20:17,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 03:20:17,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 03:20:17,656 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 03:20:17,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 03:20:17,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 03:20:17,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 03:20:17,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 03:20:17,659 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 03:20:17,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 03:20:17,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 03:20:17,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 03:20:17,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 03:20:17,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 03:20:17,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 03:20:17,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 03:20:17,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 03:20:17,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 03:20:17,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 03:20:17,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 03:20:17,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 03:20:17,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 03:20:17,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 03:20:17,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:20:17,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 03:20:17,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 03:20:17,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 03:20:17,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 03:20:17,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 03:20:17,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 03:20:17,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 03:20:17,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 03:20:17,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 03:20:17,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18ea44291cf6a5fe4a58e4ca0647553170f03564941daee77c7211d4f72496f [2024-10-24 03:20:17,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 03:20:17,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 03:20:17,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 03:20:17,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 03:20:17,975 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 03:20:17,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c [2024-10-24 03:20:19,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 03:20:19,943 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 03:20:19,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c [2024-10-24 03:20:19,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd409f97/4a7306b027b7459ca989df2d3be26c92/FLAG8d0f01a41 [2024-10-24 03:20:19,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd409f97/4a7306b027b7459ca989df2d3be26c92 [2024-10-24 03:20:20,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 03:20:20,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 03:20:20,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 03:20:20,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 03:20:20,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 03:20:20,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:20:19" (1/1) ... [2024-10-24 03:20:20,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abe0cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:20, skipping insertion in model container [2024-10-24 03:20:20,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:20:19" (1/1) ... [2024-10-24 03:20:20,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 03:20:20,383 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c[1270,1283] [2024-10-24 03:20:21,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:20:21,106 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 03:20:21,119 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/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c[1270,1283] [2024-10-24 03:20:21,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:20:21,511 INFO L204 MainTranslator]: Completed translation [2024-10-24 03:20:21,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21 WrapperNode [2024-10-24 03:20:21,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 03:20:21,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 03:20:21,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 03:20:21,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 03:20:21,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:21,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:22,725 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10740 [2024-10-24 03:20:22,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 03:20:22,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 03:20:22,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 03:20:22,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 03:20:22,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:22,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:22,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,209 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 03:20:23,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:23,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 03:20:24,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 03:20:24,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 03:20:24,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 03:20:24,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (1/1) ... [2024-10-24 03:20:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:20:24,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 03:20:24,038 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 03:20:24,042 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 03:20:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 03:20:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 03:20:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 03:20:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 03:20:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 03:20:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 03:20:24,772 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 03:20:24,775 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 03:20:36,843 INFO L? ?]: Removed 6227 outVars from TransFormulas that were not future-live. [2024-10-24 03:20:36,844 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 03:20:37,038 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 03:20:37,040 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 03:20:37,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:20:37 BoogieIcfgContainer [2024-10-24 03:20:37,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 03:20:37,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 03:20:37,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 03:20:37,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 03:20:37,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:20:19" (1/3) ... [2024-10-24 03:20:37,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bc79b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:20:37, skipping insertion in model container [2024-10-24 03:20:37,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:20:21" (2/3) ... [2024-10-24 03:20:37,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bc79b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:20:37, skipping insertion in model container [2024-10-24 03:20:37,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:20:37" (3/3) ... [2024-10-24 03:20:37,049 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d32_e0.c [2024-10-24 03:20:37,067 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 03:20:37,067 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 03:20:37,188 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 03:20:37,195 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;@50252e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 03:20:37,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 03:20:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 2945 states, 2929 states have (on average 1.497780812564015) internal successors, (4387), 2930 states have internal predecessors, (4387), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:20:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2024-10-24 03:20:37,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:20:37,255 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:37,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:20:37,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:20:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2093052378, now seen corresponding path program 1 times [2024-10-24 03:20:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:20:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837809729] [2024-10-24 03:20:37,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:20:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:20:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:20:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:20:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:20:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:20:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:20:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 03:20:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 03:20:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-10-24 03:20:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-10-24 03:20:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2024-10-24 03:20:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-24 03:20:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-10-24 03:20:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-10-24 03:20:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:20:43,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:20:43,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837809729] [2024-10-24 03:20:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837809729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:20:43,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:20:43,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:20:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974958820] [2024-10-24 03:20:43,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:20:43,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:20:43,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:20:43,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:20:43,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:20:43,586 INFO L87 Difference]: Start difference. First operand has 2945 states, 2929 states have (on average 1.497780812564015) internal successors, (4387), 2930 states have internal predecessors, (4387), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:20:43,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:20:43,797 INFO L93 Difference]: Finished difference Result 5294 states and 7947 transitions. [2024-10-24 03:20:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:20:43,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 766 [2024-10-24 03:20:43,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:20:43,840 INFO L225 Difference]: With dead ends: 5294 [2024-10-24 03:20:43,841 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:20:43,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:20:43,857 INFO L432 NwaCegarLoop]: 4407 mSDtfsCounter, 0 mSDsluCounter, 8809 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13216 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:20:43,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13216 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:20:43,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:20:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:20:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.496417604912999) internal successors, (4386), 2931 states have internal predecessors, (4386), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:20:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4412 transitions. [2024-10-24 03:20:44,013 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4412 transitions. Word has length 766 [2024-10-24 03:20:44,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:20:44,017 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4412 transitions. [2024-10-24 03:20:44,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:20:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4412 transitions. [2024-10-24 03:20:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2024-10-24 03:20:44,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:20:44,037 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:44,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 03:20:44,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:20:44,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:20:44,038 INFO L85 PathProgramCache]: Analyzing trace with hash 461813903, now seen corresponding path program 1 times [2024-10-24 03:20:44,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:20:44,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957304221] [2024-10-24 03:20:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:20:44,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:20:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:20:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:20:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:20:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:20:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:20:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 03:20:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 03:20:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-10-24 03:20:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-10-24 03:20:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2024-10-24 03:20:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-24 03:20:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-10-24 03:20:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-10-24 03:20:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:20:46,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:20:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957304221] [2024-10-24 03:20:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957304221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:20:46,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:20:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:20:46,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602788891] [2024-10-24 03:20:46,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:20:46,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:20:46,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:20:46,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:20:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:20:46,844 INFO L87 Difference]: Start difference. First operand 2946 states and 4412 transitions. Second operand has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:20:48,764 INFO L93 Difference]: Finished difference Result 7232 states and 10833 transitions. [2024-10-24 03:20:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:20:48,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 767 [2024-10-24 03:20:48,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:20:48,780 INFO L225 Difference]: With dead ends: 7232 [2024-10-24 03:20:48,780 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:20:48,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 03:20:48,792 INFO L432 NwaCegarLoop]: 6782 mSDtfsCounter, 6433 mSDsluCounter, 10173 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6441 SdHoareTripleChecker+Valid, 16955 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 03:20:48,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6441 Valid, 16955 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 03:20:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:20:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:20:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.4960764244285227) internal successors, (4385), 2931 states have internal predecessors, (4385), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:20:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4411 transitions. [2024-10-24 03:20:48,861 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4411 transitions. Word has length 767 [2024-10-24 03:20:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:20:48,862 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4411 transitions. [2024-10-24 03:20:48,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4411 transitions. [2024-10-24 03:20:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2024-10-24 03:20:48,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:20:48,883 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:48,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 03:20:48,884 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:20:48,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:20:48,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1012558088, now seen corresponding path program 1 times [2024-10-24 03:20:48,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:20:48,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854344225] [2024-10-24 03:20:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:20:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:20:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:20:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:20:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:20:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:20:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:20:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:20:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:20:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:20:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:20:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:20:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:20:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:20:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:20:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:20:50,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:20:50,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854344225] [2024-10-24 03:20:50,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854344225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:20:50,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:20:50,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:20:50,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512765056] [2024-10-24 03:20:50,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:20:50,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:20:50,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:20:50,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:20:50,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:20:50,975 INFO L87 Difference]: Start difference. First operand 2946 states and 4411 transitions. Second operand has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:52,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:20:52,669 INFO L93 Difference]: Finished difference Result 5295 states and 7927 transitions. [2024-10-24 03:20:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:20:52,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 768 [2024-10-24 03:20:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:20:52,682 INFO L225 Difference]: With dead ends: 5295 [2024-10-24 03:20:52,682 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:20:52,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:20:52,688 INFO L432 NwaCegarLoop]: 3359 mSDtfsCounter, 8234 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8239 SdHoareTripleChecker+Valid, 6720 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 03:20:52,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8239 Valid, 6720 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2109 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 03:20:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:20:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:20:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.4957352439440463) internal successors, (4384), 2931 states have internal predecessors, (4384), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:20:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4410 transitions. [2024-10-24 03:20:52,766 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4410 transitions. Word has length 768 [2024-10-24 03:20:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:20:52,767 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4410 transitions. [2024-10-24 03:20:52,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4410 transitions. [2024-10-24 03:20:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2024-10-24 03:20:52,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:20:52,775 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:52,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 03:20:52,776 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:20:52,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:20:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash -661416822, now seen corresponding path program 1 times [2024-10-24 03:20:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:20:52,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801249161] [2024-10-24 03:20:52,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:20:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:20:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:20:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:20:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:20:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:20:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:20:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:20:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:20:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:20:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:20:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:20:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:20:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:20:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:20:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:20:55,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:20:55,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801249161] [2024-10-24 03:20:55,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801249161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:20:55,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:20:55,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:20:55,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462185629] [2024-10-24 03:20:55,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:20:55,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:20:55,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:20:55,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:20:55,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:20:55,039 INFO L87 Difference]: Start difference. First operand 2946 states and 4410 transitions. Second operand has 5 states, 5 states have (on average 141.4) internal successors, (707), 5 states have internal predecessors, (707), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:20:56,468 INFO L93 Difference]: Finished difference Result 5295 states and 7925 transitions. [2024-10-24 03:20:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:20:56,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 141.4) internal successors, (707), 5 states have internal predecessors, (707), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 769 [2024-10-24 03:20:56,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:20:56,482 INFO L225 Difference]: With dead ends: 5295 [2024-10-24 03:20:56,482 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:20:56,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:20:56,488 INFO L432 NwaCegarLoop]: 3359 mSDtfsCounter, 4230 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:20:56,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4235 Valid, 6736 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 03:20:56,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:20:56,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:20:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.4953940634595702) internal successors, (4383), 2931 states have internal predecessors, (4383), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:20:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4409 transitions. [2024-10-24 03:20:56,556 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4409 transitions. Word has length 769 [2024-10-24 03:20:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:20:56,557 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4409 transitions. [2024-10-24 03:20:56,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.4) internal successors, (707), 5 states have internal predecessors, (707), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:20:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4409 transitions. [2024-10-24 03:20:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2024-10-24 03:20:56,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:20:56,566 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:56,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 03:20:56,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:20:56,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:20:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1294510257, now seen corresponding path program 1 times [2024-10-24 03:20:56,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:20:56,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652944913] [2024-10-24 03:20:56,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:20:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:20:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:20:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:20:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:20:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:20:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:20:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:20:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:20:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:20:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:20:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:20:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:20:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:20:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:20:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:20:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:20:58,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:20:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652944913] [2024-10-24 03:20:58,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652944913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:20:58,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:20:58,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:20:58,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414336278] [2024-10-24 03:20:58,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:20:58,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:20:58,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:20:58,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:20:58,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:20:58,681 INFO L87 Difference]: Start difference. First operand 2946 states and 4409 transitions. Second operand has 5 states, 5 states have (on average 141.6) internal successors, (708), 5 states have internal predecessors, (708), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:21:00,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:00,110 INFO L93 Difference]: Finished difference Result 5295 states and 7923 transitions. [2024-10-24 03:21:00,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:00,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 141.6) internal successors, (708), 5 states have internal predecessors, (708), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 770 [2024-10-24 03:21:00,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:00,123 INFO L225 Difference]: With dead ends: 5295 [2024-10-24 03:21:00,123 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:21:00,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:00,129 INFO L432 NwaCegarLoop]: 3359 mSDtfsCounter, 4166 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4171 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:00,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4171 Valid, 6736 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 03:21:00,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:21:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:21:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.4950528829750938) internal successors, (4382), 2931 states have internal predecessors, (4382), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4408 transitions. [2024-10-24 03:21:00,197 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4408 transitions. Word has length 770 [2024-10-24 03:21:00,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:00,199 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4408 transitions. [2024-10-24 03:21:00,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.6) internal successors, (708), 5 states have internal predecessors, (708), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:21:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4408 transitions. [2024-10-24 03:21:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2024-10-24 03:21:00,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:00,211 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:00,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 03:21:00,212 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:00,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1209678173, now seen corresponding path program 1 times [2024-10-24 03:21:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:00,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744476388] [2024-10-24 03:21:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:00,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:02,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:02,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744476388] [2024-10-24 03:21:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744476388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:02,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:02,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:02,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184481861] [2024-10-24 03:21:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:02,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:02,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:02,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:02,237 INFO L87 Difference]: Start difference. First operand 2946 states and 4408 transitions. Second operand has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:21:03,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:03,492 INFO L93 Difference]: Finished difference Result 5295 states and 7921 transitions. [2024-10-24 03:21:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:03,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 771 [2024-10-24 03:21:03,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:03,503 INFO L225 Difference]: With dead ends: 5295 [2024-10-24 03:21:03,503 INFO L226 Difference]: Without dead ends: 2946 [2024-10-24 03:21:03,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:03,508 INFO L432 NwaCegarLoop]: 3359 mSDtfsCounter, 4102 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:03,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 6736 Invalid, 2104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 03:21:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-10-24 03:21:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-10-24 03:21:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2931 states have (on average 1.4947117024906176) internal successors, (4381), 2931 states have internal predecessors, (4381), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4407 transitions. [2024-10-24 03:21:03,564 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4407 transitions. Word has length 771 [2024-10-24 03:21:03,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:03,566 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4407 transitions. [2024-10-24 03:21:03,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 03:21:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4407 transitions. [2024-10-24 03:21:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2024-10-24 03:21:03,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:03,574 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:03,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 03:21:03,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:03,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:03,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1772490262, now seen corresponding path program 1 times [2024-10-24 03:21:03,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:03,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405599852] [2024-10-24 03:21:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:05,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:05,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405599852] [2024-10-24 03:21:05,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405599852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:05,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:05,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:21:05,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884459418] [2024-10-24 03:21:05,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:05,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:21:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:21:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:21:05,155 INFO L87 Difference]: Start difference. First operand 2946 states and 4407 transitions. Second operand has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:05,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:05,294 INFO L93 Difference]: Finished difference Result 5297 states and 7922 transitions. [2024-10-24 03:21:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:05,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 772 [2024-10-24 03:21:05,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:05,306 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:05,306 INFO L226 Difference]: Without dead ends: 2948 [2024-10-24 03:21:05,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:21:05,314 INFO L432 NwaCegarLoop]: 4402 mSDtfsCounter, 0 mSDsluCounter, 8796 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13198 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:05,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13198 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:21:05,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2948 states. [2024-10-24 03:21:05,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2948 to 2948. [2024-10-24 03:21:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2948 states, 2933 states have (on average 1.4943743607228095) internal successors, (4383), 2933 states have internal predecessors, (4383), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 4409 transitions. [2024-10-24 03:21:05,369 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 4409 transitions. Word has length 772 [2024-10-24 03:21:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:05,370 INFO L471 AbstractCegarLoop]: Abstraction has 2948 states and 4409 transitions. [2024-10-24 03:21:05,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 4409 transitions. [2024-10-24 03:21:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2024-10-24 03:21:05,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:05,379 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:05,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 03:21:05,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:05,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:05,380 INFO L85 PathProgramCache]: Analyzing trace with hash -210584744, now seen corresponding path program 1 times [2024-10-24 03:21:05,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:05,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678930228] [2024-10-24 03:21:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:07,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:07,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678930228] [2024-10-24 03:21:07,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678930228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:07,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:07,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:21:07,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413927525] [2024-10-24 03:21:07,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:07,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:21:07,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:07,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:21:07,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:21:07,594 INFO L87 Difference]: Start difference. First operand 2948 states and 4409 transitions. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:07,892 INFO L93 Difference]: Finished difference Result 5298 states and 7922 transitions. [2024-10-24 03:21:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:07,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 773 [2024-10-24 03:21:07,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:07,904 INFO L225 Difference]: With dead ends: 5298 [2024-10-24 03:21:07,904 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:07,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:07,909 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 3867 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 8582 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:07,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3867 Valid, 8582 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:07,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4938608458390177) internal successors, (4380), 2932 states have internal predecessors, (4380), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4406 transitions. [2024-10-24 03:21:07,957 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4406 transitions. Word has length 773 [2024-10-24 03:21:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:07,958 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4406 transitions. [2024-10-24 03:21:07,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4406 transitions. [2024-10-24 03:21:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2024-10-24 03:21:07,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:07,966 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:07,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 03:21:07,966 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:07,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:07,967 INFO L85 PathProgramCache]: Analyzing trace with hash -125669199, now seen corresponding path program 1 times [2024-10-24 03:21:07,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:07,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113052774] [2024-10-24 03:21:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:09,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:09,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113052774] [2024-10-24 03:21:09,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113052774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:09,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:09,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:09,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184646413] [2024-10-24 03:21:09,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:09,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:09,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:09,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:09,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:09,833 INFO L87 Difference]: Start difference. First operand 2947 states and 4406 transitions. Second operand has 5 states, 5 states have (on average 142.4) internal successors, (712), 5 states have internal predecessors, (712), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:10,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:10,079 INFO L93 Difference]: Finished difference Result 5417 states and 8095 transitions. [2024-10-24 03:21:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:21:10,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 142.4) internal successors, (712), 5 states have internal predecessors, (712), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 774 [2024-10-24 03:21:10,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:10,099 INFO L225 Difference]: With dead ends: 5417 [2024-10-24 03:21:10,099 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:10,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 03:21:10,108 INFO L432 NwaCegarLoop]: 4384 mSDtfsCounter, 4217 mSDsluCounter, 8689 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 13073 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:10,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 13073 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4935197817189632) internal successors, (4379), 2932 states have internal predecessors, (4379), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4405 transitions. [2024-10-24 03:21:10,159 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4405 transitions. Word has length 774 [2024-10-24 03:21:10,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:10,161 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4405 transitions. [2024-10-24 03:21:10,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 142.4) internal successors, (712), 5 states have internal predecessors, (712), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4405 transitions. [2024-10-24 03:21:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2024-10-24 03:21:10,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:10,169 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:10,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 03:21:10,170 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:10,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash -120833540, now seen corresponding path program 1 times [2024-10-24 03:21:10,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:10,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702253653] [2024-10-24 03:21:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702253653] [2024-10-24 03:21:11,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702253653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:11,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:11,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885562093] [2024-10-24 03:21:11,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:11,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:11,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:11,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:11,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:11,670 INFO L87 Difference]: Start difference. First operand 2947 states and 4405 transitions. Second operand has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:11,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:11,889 INFO L93 Difference]: Finished difference Result 5297 states and 7915 transitions. [2024-10-24 03:21:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 775 [2024-10-24 03:21:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:11,899 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:11,899 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:11,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:11,904 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 8296 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8309 SdHoareTripleChecker+Valid, 8582 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:11,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8309 Valid, 8582 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4931787175989086) internal successors, (4378), 2932 states have internal predecessors, (4378), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4404 transitions. [2024-10-24 03:21:11,951 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4404 transitions. Word has length 775 [2024-10-24 03:21:11,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:11,952 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4404 transitions. [2024-10-24 03:21:11,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 142.6) internal successors, (713), 5 states have internal predecessors, (713), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4404 transitions. [2024-10-24 03:21:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2024-10-24 03:21:11,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:11,960 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:11,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 03:21:11,960 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:11,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:11,961 INFO L85 PathProgramCache]: Analyzing trace with hash -63154806, now seen corresponding path program 1 times [2024-10-24 03:21:11,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:11,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956294211] [2024-10-24 03:21:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:11,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:13,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:13,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956294211] [2024-10-24 03:21:13,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956294211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:13,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:13,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142051513] [2024-10-24 03:21:13,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:13,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:13,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:13,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:13,422 INFO L87 Difference]: Start difference. First operand 2947 states and 4404 transitions. Second operand has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:13,666 INFO L93 Difference]: Finished difference Result 5297 states and 7913 transitions. [2024-10-24 03:21:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:13,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 776 [2024-10-24 03:21:13,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:13,676 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:13,676 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:13,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:13,681 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 8170 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8183 SdHoareTripleChecker+Valid, 8582 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:13,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8183 Valid, 8582 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:13,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.492837653478854) internal successors, (4377), 2932 states have internal predecessors, (4377), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4403 transitions. [2024-10-24 03:21:13,733 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4403 transitions. Word has length 776 [2024-10-24 03:21:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:13,735 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4403 transitions. [2024-10-24 03:21:13,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 142.8) internal successors, (714), 5 states have internal predecessors, (714), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4403 transitions. [2024-10-24 03:21:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2024-10-24 03:21:13,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:13,743 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:13,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 03:21:13,743 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:13,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1167806184, now seen corresponding path program 1 times [2024-10-24 03:21:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426888239] [2024-10-24 03:21:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:15,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:15,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426888239] [2024-10-24 03:21:15,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426888239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:15,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:15,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:15,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607309354] [2024-10-24 03:21:15,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:15,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:15,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:15,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:15,300 INFO L87 Difference]: Start difference. First operand 2947 states and 4403 transitions. Second operand has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:15,539 INFO L93 Difference]: Finished difference Result 5297 states and 7911 transitions. [2024-10-24 03:21:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:15,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 777 [2024-10-24 03:21:15,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:15,546 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:15,546 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:15,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:15,551 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 4241 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4254 SdHoareTripleChecker+Valid, 8598 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:15,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4254 Valid, 8598 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4924965893587994) internal successors, (4376), 2932 states have internal predecessors, (4376), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4402 transitions. [2024-10-24 03:21:15,597 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4402 transitions. Word has length 777 [2024-10-24 03:21:15,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:15,598 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4402 transitions. [2024-10-24 03:21:15,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4402 transitions. [2024-10-24 03:21:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2024-10-24 03:21:15,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:15,605 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:15,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 03:21:15,605 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:15,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:15,606 INFO L85 PathProgramCache]: Analyzing trace with hash 339548237, now seen corresponding path program 1 times [2024-10-24 03:21:15,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:15,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755029780] [2024-10-24 03:21:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:17,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:17,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755029780] [2024-10-24 03:21:17,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755029780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:17,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:17,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:17,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479544466] [2024-10-24 03:21:17,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:17,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:17,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:17,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:17,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:17,429 INFO L87 Difference]: Start difference. First operand 2947 states and 4402 transitions. Second operand has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:17,642 INFO L93 Difference]: Finished difference Result 5297 states and 7909 transitions. [2024-10-24 03:21:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:17,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 778 [2024-10-24 03:21:17,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:17,648 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:17,648 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:17,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:17,651 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 4237 mSDsluCounter, 4308 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4250 SdHoareTripleChecker+Valid, 8598 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:17,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4250 Valid, 8598 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:17,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4921555252387448) internal successors, (4375), 2932 states have internal predecessors, (4375), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4401 transitions. [2024-10-24 03:21:17,693 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4401 transitions. Word has length 778 [2024-10-24 03:21:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:17,694 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4401 transitions. [2024-10-24 03:21:17,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.2) internal successors, (716), 5 states have internal predecessors, (716), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4401 transitions. [2024-10-24 03:21:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2024-10-24 03:21:17,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:17,702 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:17,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 03:21:17,702 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:17,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash 514440031, now seen corresponding path program 1 times [2024-10-24 03:21:17,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:17,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762814009] [2024-10-24 03:21:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:19,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:19,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762814009] [2024-10-24 03:21:19,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762814009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:19,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:19,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:19,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739530619] [2024-10-24 03:21:19,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:19,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:19,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:19,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:19,106 INFO L87 Difference]: Start difference. First operand 2947 states and 4401 transitions. Second operand has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:19,321 INFO L93 Difference]: Finished difference Result 5297 states and 7907 transitions. [2024-10-24 03:21:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 779 [2024-10-24 03:21:19,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:19,328 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:19,328 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:19,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:19,332 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 7904 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7917 SdHoareTripleChecker+Valid, 8582 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:19,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7917 Valid, 8582 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4918144611186903) internal successors, (4374), 2932 states have internal predecessors, (4374), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4400 transitions. [2024-10-24 03:21:19,412 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4400 transitions. Word has length 779 [2024-10-24 03:21:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:19,413 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4400 transitions. [2024-10-24 03:21:19,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4400 transitions. [2024-10-24 03:21:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2024-10-24 03:21:19,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:19,420 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:19,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 03:21:19,420 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:19,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash -27041615, now seen corresponding path program 1 times [2024-10-24 03:21:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:19,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508367131] [2024-10-24 03:21:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:20,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:20,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508367131] [2024-10-24 03:21:20,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508367131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:20,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:20,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:21:20,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705197460] [2024-10-24 03:21:20,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:20,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:21:20,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:20,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:21:20,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:20,802 INFO L87 Difference]: Start difference. First operand 2947 states and 4400 transitions. Second operand has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:21,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:21,013 INFO L93 Difference]: Finished difference Result 5297 states and 7905 transitions. [2024-10-24 03:21:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:21,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 780 [2024-10-24 03:21:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:21,018 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:21,018 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:21,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:21:21,022 INFO L432 NwaCegarLoop]: 4290 mSDtfsCounter, 7896 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7909 SdHoareTripleChecker+Valid, 8582 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:21,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7909 Valid, 8582 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 03:21:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:21,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4914733969986358) internal successors, (4373), 2932 states have internal predecessors, (4373), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4399 transitions. [2024-10-24 03:21:21,063 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4399 transitions. Word has length 780 [2024-10-24 03:21:21,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:21,063 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4399 transitions. [2024-10-24 03:21:21,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.6) internal successors, (718), 5 states have internal predecessors, (718), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4399 transitions. [2024-10-24 03:21:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2024-10-24 03:21:21,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:21,071 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:21,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 03:21:21,071 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:21,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:21,072 INFO L85 PathProgramCache]: Analyzing trace with hash -447676712, now seen corresponding path program 1 times [2024-10-24 03:21:21,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:21,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279732918] [2024-10-24 03:21:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:21,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-24 03:21:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 03:21:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 03:21:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 03:21:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 03:21:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2024-10-24 03:21:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2024-10-24 03:21:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 03:21:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 03:21:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-10-24 03:21:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-10-24 03:21:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-10-24 03:21:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-10-24 03:21:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:21:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 03:21:22,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:21:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279732918] [2024-10-24 03:21:22,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279732918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:21:22,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:21:22,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:21:22,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102219111] [2024-10-24 03:21:22,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:21:22,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:21:22,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:21:22,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:21:22,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:21:22,962 INFO L87 Difference]: Start difference. First operand 2947 states and 4399 transitions. Second operand has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:23,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:21:23,335 INFO L93 Difference]: Finished difference Result 5297 states and 7903 transitions. [2024-10-24 03:21:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:21:23,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 781 [2024-10-24 03:21:23,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:21:23,344 INFO L225 Difference]: With dead ends: 5297 [2024-10-24 03:21:23,344 INFO L226 Difference]: Without dead ends: 2947 [2024-10-24 03:21:23,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:21:23,349 INFO L432 NwaCegarLoop]: 4206 mSDtfsCounter, 3785 mSDsluCounter, 4208 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3785 SdHoareTripleChecker+Valid, 8414 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:21:23,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3785 Valid, 8414 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 03:21:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-10-24 03:21:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-10-24 03:21:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2932 states have (on average 1.4911323328785813) internal successors, (4372), 2932 states have internal predecessors, (4372), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-24 03:21:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4398 transitions. [2024-10-24 03:21:23,391 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4398 transitions. Word has length 781 [2024-10-24 03:21:23,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:21:23,392 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4398 transitions. [2024-10-24 03:21:23,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 03:21:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4398 transitions. [2024-10-24 03:21:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2024-10-24 03:21:23,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:21:23,399 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:21:23,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 03:21:23,399 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:21:23,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:21:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1143292229, now seen corresponding path program 1 times [2024-10-24 03:21:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:21:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170521852] [2024-10-24 03:21:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:21:23,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:21:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat