./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce36ae11817d8408b28b87366201df9141e6e75d787dae6b6223431c24a32438 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 05:10:26,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 05:10:26,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 05:10:26,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 05:10:26,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 05:10:26,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 05:10:26,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 05:10:26,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 05:10:26,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 05:10:26,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 05:10:26,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 05:10:26,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 05:10:26,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 05:10:26,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 05:10:26,790 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 05:10:26,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 05:10:26,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 05:10:26,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 05:10:26,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 05:10:26,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 05:10:26,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 05:10:26,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 05:10:26,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 05:10:26,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:10:26,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 05:10:26,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 05:10:26,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 05:10:26,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 05:10:26,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 05:10:26,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 05:10:26,798 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce36ae11817d8408b28b87366201df9141e6e75d787dae6b6223431c24a32438 [2024-10-13 05:10:26,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 05:10:27,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 05:10:27,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 05:10:27,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 05:10:27,009 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 05:10:27,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i [2024-10-13 05:10:28,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 05:10:28,416 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 05:10:28,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i [2024-10-13 05:10:28,425 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4e3efe9/ebcdaaa6d9514ed091617ea50d273d81/FLAG01fbe1671 [2024-10-13 05:10:28,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4e3efe9/ebcdaaa6d9514ed091617ea50d273d81 [2024-10-13 05:10:28,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 05:10:28,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 05:10:28,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 05:10:28,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 05:10:28,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 05:10:28,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168480dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28, skipping insertion in model container [2024-10-13 05:10:28,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 05:10:28,606 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i[916,929] [2024-10-13 05:10:28,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:10:28,754 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 05:10:28,763 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-78.i[916,929] [2024-10-13 05:10:28,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 05:10:28,842 INFO L204 MainTranslator]: Completed translation [2024-10-13 05:10:28,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28 WrapperNode [2024-10-13 05:10:28,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 05:10:28,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 05:10:28,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 05:10:28,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 05:10:28,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,922 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-10-13 05:10:28,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 05:10:28,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 05:10:28,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 05:10:28,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 05:10:28,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,991 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]. [2024-10-13 05:10:28,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:28,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 05:10:29,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 05:10:29,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 05:10:29,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 05:10:29,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (1/1) ... [2024-10-13 05:10:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 05:10:29,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:29,080 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) [2024-10-13 05:10:29,082 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 [2024-10-13 05:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 05:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 05:10:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 05:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 05:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 05:10:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 05:10:29,212 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 05:10:29,214 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 05:10:29,827 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-10-13 05:10:29,827 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 05:10:29,860 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 05:10:29,861 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 05:10:29,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:29 BoogieIcfgContainer [2024-10-13 05:10:29,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 05:10:29,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 05:10:29,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 05:10:29,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 05:10:29,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:10:28" (1/3) ... [2024-10-13 05:10:29,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fa2b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:29, skipping insertion in model container [2024-10-13 05:10:29,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:28" (2/3) ... [2024-10-13 05:10:29,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fa2b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:29, skipping insertion in model container [2024-10-13 05:10:29,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:29" (3/3) ... [2024-10-13 05:10:29,868 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-78.i [2024-10-13 05:10:29,881 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 05:10:29,881 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 05:10:29,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 05:10:29,937 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;@3102ad94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 05:10:29,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 05:10:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 138 states have internal predecessors, (211), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 05:10:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-13 05:10:29,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:29,958 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:29,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:29,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1509198304, now seen corresponding path program 1 times [2024-10-13 05:10:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:29,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037745865] [2024-10-13 05:10:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:30,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037745865] [2024-10-13 05:10:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037745865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:30,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 05:10:30,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921503283] [2024-10-13 05:10:30,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:30,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 05:10:30,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 05:10:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:10:30,547 INFO L87 Difference]: Start difference. First operand has 196 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 138 states have internal predecessors, (211), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-10-13 05:10:30,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:30,603 INFO L93 Difference]: Finished difference Result 389 states and 700 transitions. [2024-10-13 05:10:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 05:10:30,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 361 [2024-10-13 05:10:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:30,616 INFO L225 Difference]: With dead ends: 389 [2024-10-13 05:10:30,616 INFO L226 Difference]: Without dead ends: 194 [2024-10-13 05:10:30,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 05:10:30,623 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:30,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 315 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:10:30,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-13 05:10:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-10-13 05:10:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 136 states have (on average 1.5147058823529411) internal successors, (206), 136 states have internal predecessors, (206), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 05:10:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 318 transitions. [2024-10-13 05:10:30,680 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 318 transitions. Word has length 361 [2024-10-13 05:10:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:30,681 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 318 transitions. [2024-10-13 05:10:30,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-10-13 05:10:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 318 transitions. [2024-10-13 05:10:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-10-13 05:10:30,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:30,688 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:30,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 05:10:30,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:30,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:30,689 INFO L85 PathProgramCache]: Analyzing trace with hash -318646944, now seen corresponding path program 1 times [2024-10-13 05:10:30,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:30,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409240986] [2024-10-13 05:10:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:31,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:31,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409240986] [2024-10-13 05:10:31,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409240986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:31,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:31,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:31,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140138023] [2024-10-13 05:10:31,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:31,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:31,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:31,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:31,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:31,071 INFO L87 Difference]: Start difference. First operand 194 states and 318 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:31,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:31,199 INFO L93 Difference]: Finished difference Result 577 states and 946 transitions. [2024-10-13 05:10:31,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:31,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 361 [2024-10-13 05:10:31,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:31,204 INFO L225 Difference]: With dead ends: 577 [2024-10-13 05:10:31,204 INFO L226 Difference]: Without dead ends: 384 [2024-10-13 05:10:31,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:31,205 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 293 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:31,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 636 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:31,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-10-13 05:10:31,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 380. [2024-10-13 05:10:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 265 states have (on average 1.471698113207547) internal successors, (390), 265 states have internal predecessors, (390), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-13 05:10:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 614 transitions. [2024-10-13 05:10:31,249 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 614 transitions. Word has length 361 [2024-10-13 05:10:31,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:31,252 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 614 transitions. [2024-10-13 05:10:31,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 614 transitions. [2024-10-13 05:10:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-10-13 05:10:31,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:31,255 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:31,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 05:10:31,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:31,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:31,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1347994012, now seen corresponding path program 1 times [2024-10-13 05:10:31,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:31,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343138504] [2024-10-13 05:10:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:31,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:31,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:31,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343138504] [2024-10-13 05:10:31,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343138504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:31,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:31,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:31,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496860305] [2024-10-13 05:10:31,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:31,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:31,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:31,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:31,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:31,512 INFO L87 Difference]: Start difference. First operand 380 states and 614 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:31,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:31,620 INFO L93 Difference]: Finished difference Result 769 states and 1243 transitions. [2024-10-13 05:10:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:31,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 362 [2024-10-13 05:10:31,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:31,625 INFO L225 Difference]: With dead ends: 769 [2024-10-13 05:10:31,626 INFO L226 Difference]: Without dead ends: 390 [2024-10-13 05:10:31,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:31,628 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 279 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:31,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 759 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 05:10:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-10-13 05:10:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2024-10-13 05:10:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 271 states have (on average 1.4501845018450183) internal successors, (393), 271 states have internal predecessors, (393), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-13 05:10:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 617 transitions. [2024-10-13 05:10:31,668 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 617 transitions. Word has length 362 [2024-10-13 05:10:31,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:31,669 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 617 transitions. [2024-10-13 05:10:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 617 transitions. [2024-10-13 05:10:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-10-13 05:10:31,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:31,673 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:31,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 05:10:31,673 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:31,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash -340949730, now seen corresponding path program 1 times [2024-10-13 05:10:31,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:31,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843435235] [2024-10-13 05:10:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:31,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:32,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:32,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843435235] [2024-10-13 05:10:32,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843435235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:32,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:32,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 05:10:32,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682971214] [2024-10-13 05:10:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:32,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 05:10:32,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:32,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 05:10:32,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 05:10:32,697 INFO L87 Difference]: Start difference. First operand 386 states and 617 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:33,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:33,258 INFO L93 Difference]: Finished difference Result 1405 states and 2240 transitions. [2024-10-13 05:10:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 05:10:33,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 362 [2024-10-13 05:10:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:33,265 INFO L225 Difference]: With dead ends: 1405 [2024-10-13 05:10:33,265 INFO L226 Difference]: Without dead ends: 1020 [2024-10-13 05:10:33,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 05:10:33,270 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 917 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:33,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1590 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:10:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-10-13 05:10:33,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 761. [2024-10-13 05:10:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 540 states have (on average 1.4444444444444444) internal successors, (780), 541 states have internal predecessors, (780), 216 states have call successors, (216), 4 states have call predecessors, (216), 4 states have return successors, (216), 215 states have call predecessors, (216), 216 states have call successors, (216) [2024-10-13 05:10:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1212 transitions. [2024-10-13 05:10:33,363 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1212 transitions. Word has length 362 [2024-10-13 05:10:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:33,365 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 1212 transitions. [2024-10-13 05:10:33,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1212 transitions. [2024-10-13 05:10:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-13 05:10:33,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:33,368 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:33,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 05:10:33,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:33,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:33,369 INFO L85 PathProgramCache]: Analyzing trace with hash 359064186, now seen corresponding path program 1 times [2024-10-13 05:10:33,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:33,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389906918] [2024-10-13 05:10:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:34,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:34,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389906918] [2024-10-13 05:10:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389906918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:34,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:34,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 05:10:34,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136507263] [2024-10-13 05:10:34,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:34,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 05:10:34,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:34,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 05:10:34,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:10:34,024 INFO L87 Difference]: Start difference. First operand 761 states and 1212 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:34,441 INFO L93 Difference]: Finished difference Result 2635 states and 4189 transitions. [2024-10-13 05:10:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 05:10:34,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 363 [2024-10-13 05:10:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:34,451 INFO L225 Difference]: With dead ends: 2635 [2024-10-13 05:10:34,451 INFO L226 Difference]: Without dead ends: 1875 [2024-10-13 05:10:34,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 05:10:34,454 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 701 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:34,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 819 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 05:10:34,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2024-10-13 05:10:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1868. [2024-10-13 05:10:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1303 states have (on average 1.4251726784343821) internal successors, (1857), 1308 states have internal predecessors, (1857), 552 states have call successors, (552), 12 states have call predecessors, (552), 12 states have return successors, (552), 547 states have call predecessors, (552), 552 states have call successors, (552) [2024-10-13 05:10:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2961 transitions. [2024-10-13 05:10:34,608 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2961 transitions. Word has length 363 [2024-10-13 05:10:34,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:34,609 INFO L471 AbstractCegarLoop]: Abstraction has 1868 states and 2961 transitions. [2024-10-13 05:10:34,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2961 transitions. [2024-10-13 05:10:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-13 05:10:34,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:34,612 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:34,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 05:10:34,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:34,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1407225929, now seen corresponding path program 1 times [2024-10-13 05:10:34,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:34,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956949550] [2024-10-13 05:10:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-10-13 05:10:35,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:35,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956949550] [2024-10-13 05:10:35,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956949550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 05:10:35,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 05:10:35,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 05:10:35,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690211592] [2024-10-13 05:10:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 05:10:35,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 05:10:35,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:35,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 05:10:35,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:35,096 INFO L87 Difference]: Start difference. First operand 1868 states and 2961 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:35,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:35,346 INFO L93 Difference]: Finished difference Result 5442 states and 8627 transitions. [2024-10-13 05:10:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 05:10:35,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 364 [2024-10-13 05:10:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:35,365 INFO L225 Difference]: With dead ends: 5442 [2024-10-13 05:10:35,366 INFO L226 Difference]: Without dead ends: 3655 [2024-10-13 05:10:35,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 05:10:35,374 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 195 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:35,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 720 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 05:10:35,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3655 states. [2024-10-13 05:10:35,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3655 to 3653. [2024-10-13 05:10:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3653 states, 2573 states have (on average 1.422852701127089) internal successors, (3661), 2582 states have internal predecessors, (3661), 1056 states have call successors, (1056), 23 states have call predecessors, (1056), 23 states have return successors, (1056), 1047 states have call predecessors, (1056), 1056 states have call successors, (1056) [2024-10-13 05:10:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 3653 states and 5773 transitions. [2024-10-13 05:10:35,766 INFO L78 Accepts]: Start accepts. Automaton has 3653 states and 5773 transitions. Word has length 364 [2024-10-13 05:10:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:35,767 INFO L471 AbstractCegarLoop]: Abstraction has 3653 states and 5773 transitions. [2024-10-13 05:10:35,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-10-13 05:10:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 5773 transitions. [2024-10-13 05:10:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-13 05:10:35,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:35,770 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:35,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 05:10:35,771 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:35,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1511492304, now seen corresponding path program 1 times [2024-10-13 05:10:35,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:35,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246574080] [2024-10-13 05:10:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:35,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:10:36,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246574080] [2024-10-13 05:10:36,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246574080] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:10:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101741271] [2024-10-13 05:10:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:36,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:10:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:36,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:10:36,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 05:10:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:37,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 05:10:37,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:10:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 483 proven. 159 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2024-10-13 05:10:37,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:10:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:10:38,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101741271] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:10:38,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:10:38,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-13 05:10:38,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902137542] [2024-10-13 05:10:38,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:10:38,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 05:10:38,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:38,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 05:10:38,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-13 05:10:38,103 INFO L87 Difference]: Start difference. First operand 3653 states and 5773 transitions. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (162), 2 states have call predecessors, (162), 4 states have return successors, (163), 3 states have call predecessors, (163), 3 states have call successors, (163) [2024-10-13 05:10:38,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:38,816 INFO L93 Difference]: Finished difference Result 7341 states and 11513 transitions. [2024-10-13 05:10:38,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 05:10:38,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (162), 2 states have call predecessors, (162), 4 states have return successors, (163), 3 states have call predecessors, (163), 3 states have call successors, (163) Word has length 364 [2024-10-13 05:10:38,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:38,837 INFO L225 Difference]: With dead ends: 7341 [2024-10-13 05:10:38,838 INFO L226 Difference]: Without dead ends: 3769 [2024-10-13 05:10:38,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-13 05:10:38,848 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 426 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:38,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 972 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 05:10:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2024-10-13 05:10:39,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3723. [2024-10-13 05:10:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3723 states, 2622 states have (on average 1.4042715484363082) internal successors, (3682), 2631 states have internal predecessors, (3682), 1056 states have call successors, (1056), 44 states have call predecessors, (1056), 44 states have return successors, (1056), 1047 states have call predecessors, (1056), 1056 states have call successors, (1056) [2024-10-13 05:10:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 5794 transitions. [2024-10-13 05:10:39,177 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 5794 transitions. Word has length 364 [2024-10-13 05:10:39,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:39,177 INFO L471 AbstractCegarLoop]: Abstraction has 3723 states and 5794 transitions. [2024-10-13 05:10:39,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (162), 2 states have call predecessors, (162), 4 states have return successors, (163), 3 states have call predecessors, (163), 3 states have call successors, (163) [2024-10-13 05:10:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 5794 transitions. [2024-10-13 05:10:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-10-13 05:10:39,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:39,180 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:39,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 05:10:39,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:10:39,381 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:39,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:39,382 INFO L85 PathProgramCache]: Analyzing trace with hash 539491694, now seen corresponding path program 1 times [2024-10-13 05:10:39,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246730385] [2024-10-13 05:10:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:10:41,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:41,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246730385] [2024-10-13 05:10:41,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246730385] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:10:41,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199645937] [2024-10-13 05:10:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:10:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:41,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:10:41,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 05:10:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:41,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 05:10:42,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:10:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3065 proven. 267 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2024-10-13 05:10:44,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:10:45,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199645937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:10:45,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 05:10:45,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 28 [2024-10-13 05:10:45,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202666238] [2024-10-13 05:10:45,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 05:10:45,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-13 05:10:45,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:45,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-13 05:10:45,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1408, Unknown=4, NotChecked=0, Total=1640 [2024-10-13 05:10:46,014 INFO L87 Difference]: Start difference. First operand 3723 states and 5794 transitions. Second operand has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 10 states have call successors, (112), 6 states have call predecessors, (112), 9 states have return successors, (112), 10 states have call predecessors, (112), 10 states have call successors, (112) [2024-10-13 05:10:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:54,928 INFO L93 Difference]: Finished difference Result 20602 states and 31331 transitions. [2024-10-13 05:10:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-13 05:10:54,929 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 10 states have call successors, (112), 6 states have call predecessors, (112), 9 states have return successors, (112), 10 states have call predecessors, (112), 10 states have call successors, (112) Word has length 364 [2024-10-13 05:10:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:54,996 INFO L225 Difference]: With dead ends: 20602 [2024-10-13 05:10:54,996 INFO L226 Difference]: Without dead ends: 16964 [2024-10-13 05:10:55,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4759 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=2565, Invalid=13181, Unknown=4, NotChecked=0, Total=15750 [2024-10-13 05:10:55,033 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 5430 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5462 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 5372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:55,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5462 Valid, 2946 Invalid, 5372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-13 05:10:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16964 states. [2024-10-13 05:10:55,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16964 to 7929. [2024-10-13 05:10:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7929 states, 6714 states have (on average 1.4727435210008937) internal successors, (9888), 6742 states have internal predecessors, (9888), 1104 states have call successors, (1104), 110 states have call predecessors, (1104), 110 states have return successors, (1104), 1076 states have call predecessors, (1104), 1104 states have call successors, (1104) [2024-10-13 05:10:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7929 states to 7929 states and 12096 transitions. [2024-10-13 05:10:55,521 INFO L78 Accepts]: Start accepts. Automaton has 7929 states and 12096 transitions. Word has length 364 [2024-10-13 05:10:55,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:10:55,521 INFO L471 AbstractCegarLoop]: Abstraction has 7929 states and 12096 transitions. [2024-10-13 05:10:55,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.464285714285714) internal successors, (181), 28 states have internal predecessors, (181), 10 states have call successors, (112), 6 states have call predecessors, (112), 9 states have return successors, (112), 10 states have call predecessors, (112), 10 states have call successors, (112) [2024-10-13 05:10:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 7929 states and 12096 transitions. [2024-10-13 05:10:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-13 05:10:55,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:10:55,525 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:10:55,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 05:10:55,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-13 05:10:55,727 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:10:55,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:10:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash 262561902, now seen corresponding path program 1 times [2024-10-13 05:10:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:10:55,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571895006] [2024-10-13 05:10:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:55,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:10:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:10:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:10:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:10:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:10:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:10:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:10:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:10:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:10:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:10:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:10:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:10:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:10:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:10:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:10:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:10:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:10:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:10:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:10:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:10:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:10:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:10:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:10:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:10:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:10:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:10:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:10:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:10:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:10:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:10:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:10:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:10:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:10:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:10:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:10:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:10:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:10:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:10:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:10:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:10:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:10:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:10:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:10:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:10:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:10:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:10:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:10:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:10:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:10:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:10:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:10:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:10:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:10:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:10:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:10:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:10:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:10:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:10:56,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:10:56,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571895006] [2024-10-13 05:10:56,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571895006] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:10:56,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144035130] [2024-10-13 05:10:56,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:10:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:10:56,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:10:56,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:10:56,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 05:10:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:10:57,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 05:10:57,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:10:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 1329 proven. 18 refuted. 0 times theorem prover too weak. 4813 trivial. 0 not checked. [2024-10-13 05:10:57,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:10:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:10:57,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144035130] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:10:57,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:10:57,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 13 [2024-10-13 05:10:57,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633076999] [2024-10-13 05:10:57,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:10:57,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 05:10:57,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:10:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 05:10:57,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-13 05:10:57,345 INFO L87 Difference]: Start difference. First operand 7929 states and 12096 transitions. Second operand has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 5 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-13 05:10:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:10:59,671 INFO L93 Difference]: Finished difference Result 23511 states and 35905 transitions. [2024-10-13 05:10:59,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-13 05:10:59,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 5 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) Word has length 365 [2024-10-13 05:10:59,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:10:59,711 INFO L225 Difference]: With dead ends: 23511 [2024-10-13 05:10:59,711 INFO L226 Difference]: Without dead ends: 15748 [2024-10-13 05:10:59,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 848 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=519, Invalid=1373, Unknown=0, NotChecked=0, Total=1892 [2024-10-13 05:10:59,726 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1264 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 05:10:59,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1296 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 05:10:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15748 states. [2024-10-13 05:11:00,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15748 to 5480. [2024-10-13 05:11:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5480 states, 4569 states have (on average 1.4558984460494637) internal successors, (6652), 4587 states have internal predecessors, (6652), 804 states have call successors, (804), 106 states have call predecessors, (804), 106 states have return successors, (804), 786 states have call predecessors, (804), 804 states have call successors, (804) [2024-10-13 05:11:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5480 states to 5480 states and 8260 transitions. [2024-10-13 05:11:00,173 INFO L78 Accepts]: Start accepts. Automaton has 5480 states and 8260 transitions. Word has length 365 [2024-10-13 05:11:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:00,174 INFO L471 AbstractCegarLoop]: Abstraction has 5480 states and 8260 transitions. [2024-10-13 05:11:00,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 5 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (117), 5 states have call predecessors, (117), 5 states have call successors, (117) [2024-10-13 05:11:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 5480 states and 8260 transitions. [2024-10-13 05:11:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-10-13 05:11:00,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:00,176 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:00,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 05:11:00,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:00,377 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:00,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:00,378 INFO L85 PathProgramCache]: Analyzing trace with hash -229124139, now seen corresponding path program 1 times [2024-10-13 05:11:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036485157] [2024-10-13 05:11:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:11:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:11:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:11:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:11:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:11:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:11:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:11:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:11:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:11:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:11:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:11:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:11:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:11:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:11:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:11:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:11:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:11:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:11:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:11:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:11:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:11:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:11:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:11:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:11:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:11:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:11:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:11:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:11:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:11:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:11:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:11:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:11:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:11:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:11:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:11:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:11:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:11:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:11:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 6 proven. 159 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-10-13 05:11:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036485157] [2024-10-13 05:11:01,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036485157] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917152679] [2024-10-13 05:11:01,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:01,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:01,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:11:01,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:11:01,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 05:11:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:01,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-13 05:11:01,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:11:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2346 proven. 732 refuted. 0 times theorem prover too weak. 3082 trivial. 0 not checked. [2024-10-13 05:11:03,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:11:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 105 proven. 381 refuted. 0 times theorem prover too weak. 5674 trivial. 0 not checked. [2024-10-13 05:11:06,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917152679] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:11:06,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:11:06,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 25, 17] total 49 [2024-10-13 05:11:06,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426162766] [2024-10-13 05:11:06,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:11:06,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-10-13 05:11:06,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:06,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-13 05:11:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=1976, Unknown=0, NotChecked=0, Total=2352 [2024-10-13 05:11:06,282 INFO L87 Difference]: Start difference. First operand 5480 states and 8260 transitions. Second operand has 49 states, 48 states have (on average 5.479166666666667) internal successors, (263), 47 states have internal predecessors, (263), 11 states have call successors, (162), 6 states have call predecessors, (162), 13 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-10-13 05:11:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 05:11:24,408 INFO L93 Difference]: Finished difference Result 42678 states and 63221 transitions. [2024-10-13 05:11:24,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-10-13 05:11:24,408 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 5.479166666666667) internal successors, (263), 47 states have internal predecessors, (263), 11 states have call successors, (162), 6 states have call predecessors, (162), 13 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) Word has length 366 [2024-10-13 05:11:24,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 05:11:24,489 INFO L225 Difference]: With dead ends: 42678 [2024-10-13 05:11:24,489 INFO L226 Difference]: Without dead ends: 37940 [2024-10-13 05:11:24,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1158 GetRequests, 839 SyntacticMatches, 0 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41739 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=13344, Invalid=89376, Unknown=0, NotChecked=0, Total=102720 [2024-10-13 05:11:24,518 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 6761 mSDsluCounter, 4916 mSDsCounter, 0 mSdLazyCounter, 7250 mSolverCounterSat, 1401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6761 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 8651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 7250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-13 05:11:24,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6761 Valid, 5278 Invalid, 8651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1401 Valid, 7250 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-13 05:11:24,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37940 states. [2024-10-13 05:11:25,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37940 to 8810. [2024-10-13 05:11:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8810 states, 7521 states have (on average 1.5158888445685414) internal successors, (11401), 7527 states have internal predecessors, (11401), 1080 states have call successors, (1080), 208 states have call predecessors, (1080), 208 states have return successors, (1080), 1074 states have call predecessors, (1080), 1080 states have call successors, (1080) [2024-10-13 05:11:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8810 states to 8810 states and 13561 transitions. [2024-10-13 05:11:25,582 INFO L78 Accepts]: Start accepts. Automaton has 8810 states and 13561 transitions. Word has length 366 [2024-10-13 05:11:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 05:11:25,583 INFO L471 AbstractCegarLoop]: Abstraction has 8810 states and 13561 transitions. [2024-10-13 05:11:25,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 5.479166666666667) internal successors, (263), 47 states have internal predecessors, (263), 11 states have call successors, (162), 6 states have call predecessors, (162), 13 states have return successors, (163), 11 states have call predecessors, (163), 11 states have call successors, (163) [2024-10-13 05:11:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8810 states and 13561 transitions. [2024-10-13 05:11:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-10-13 05:11:25,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 05:11:25,586 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 05:11:25,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 05:11:25,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:25,791 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 05:11:25,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 05:11:25,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1508987817, now seen corresponding path program 1 times [2024-10-13 05:11:25,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 05:11:25,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097644761] [2024-10-13 05:11:25,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 05:11:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 05:11:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 05:11:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 05:11:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 05:11:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 05:11:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 05:11:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 05:11:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 05:11:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 05:11:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 05:11:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 05:11:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 05:11:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 05:11:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 05:11:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 05:11:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 05:11:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 05:11:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 05:11:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 05:11:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 05:11:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 05:11:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 05:11:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 05:11:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 05:11:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 05:11:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 05:11:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 05:11:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 05:11:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 05:11:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 05:11:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 05:11:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 05:11:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 05:11:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 05:11:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 05:11:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-13 05:11:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 05:11:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 05:11:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 05:11:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 05:11:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 05:11:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 05:11:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 05:11:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 05:11:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 05:11:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-13 05:11:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 05:11:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 05:11:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 05:11:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 05:11:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-13 05:11:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-13 05:11:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-13 05:11:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-13 05:11:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-13 05:11:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 05:11:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 81 proven. 243 refuted. 0 times theorem prover too weak. 5836 trivial. 0 not checked. [2024-10-13 05:11:26,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 05:11:26,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097644761] [2024-10-13 05:11:26,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097644761] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 05:11:26,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209548895] [2024-10-13 05:11:26,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 05:11:26,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 05:11:26,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 05:11:26,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 05:11:26,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 05:11:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 05:11:26,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-10-13 05:11:26,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 05:11:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 4279 proven. 936 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2024-10-13 05:11:30,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 05:11:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 246 proven. 549 refuted. 0 times theorem prover too weak. 5365 trivial. 0 not checked. [2024-10-13 05:11:36,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209548895] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 05:11:36,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 05:11:36,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 33, 27] total 61 [2024-10-13 05:11:36,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862916053] [2024-10-13 05:11:36,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 05:11:36,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-13 05:11:36,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 05:11:36,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-13 05:11:36,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=2819, Unknown=0, NotChecked=0, Total=3660 [2024-10-13 05:11:36,649 INFO L87 Difference]: Start difference. First operand 8810 states and 13561 transitions. Second operand has 61 states, 59 states have (on average 4.4576271186440675) internal successors, (263), 57 states have internal predecessors, (263), 18 states have call successors, (162), 10 states have call predecessors, (162), 20 states have return successors, (163), 18 states have call predecessors, (163), 18 states have call successors, (163)