./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.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 202a0432e117f9058bd61aa67403e31b42b1f3767a8cd5b20aabf9e04f737968 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:15:36,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:15:36,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:15:36,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:15:36,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:15:36,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:15:36,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:15:36,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:15:36,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:15:36,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:15:36,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:15:36,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:15:36,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:15:36,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:15:36,181 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:15:36,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:15:36,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:15:36,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:15:36,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:15:36,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:15:36,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:15:36,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:15:36,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:15:36,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:15:36,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:15:36,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:15:36,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:15:36,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:15:36,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:15:36,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:15:36,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:15:36,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:15:36,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:36,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:15:36,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:15:36,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:15:36,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:15:36,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:15:36,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:15:36,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:15:36,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:15:36,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:15:36,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 202a0432e117f9058bd61aa67403e31b42b1f3767a8cd5b20aabf9e04f737968 [2024-11-12 06:15:36,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:15:36,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:15:36,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:15:36,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:15:36,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:15:36,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.i [2024-11-12 06:15:37,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:15:37,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:15:37,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.i [2024-11-12 06:15:38,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8726d54/6827aeef89fe499c84a325e2e1f1a449/FLAGb236c7170 [2024-11-12 06:15:38,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8726d54/6827aeef89fe499c84a325e2e1f1a449 [2024-11-12 06:15:38,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:15:38,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:15:38,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:38,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:15:38,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:15:38,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38, skipping insertion in model container [2024-11-12 06:15:38,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:15:38,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.i[915,928] [2024-11-12 06:15:38,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:38,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:15:38,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-1.i[915,928] [2024-11-12 06:15:38,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:15:38,818 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:15:38,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38 WrapperNode [2024-11-12 06:15:38,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:15:38,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:38,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:15:38,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:15:38,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,937 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 400 [2024-11-12 06:15:38,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:15:38,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:15:38,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:15:38,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:15:38,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:38,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,010 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:15:39,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:15:39,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:15:39,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:15:39,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:15:39,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (1/1) ... [2024-11-12 06:15:39,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:15:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:15:39,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:15:39,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:15:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:15:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:15:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:15:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:15:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:15:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:15:39,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:15:39,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:15:39,876 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-12 06:15:39,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:15:39,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:15:39,890 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:15:39,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:39 BoogieIcfgContainer [2024-11-12 06:15:39,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:15:39,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:15:39,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:15:39,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:15:39,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:15:38" (1/3) ... [2024-11-12 06:15:39,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e8a6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:39, skipping insertion in model container [2024-11-12 06:15:39,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:15:38" (2/3) ... [2024-11-12 06:15:39,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e8a6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:15:39, skipping insertion in model container [2024-11-12 06:15:39,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:15:39" (3/3) ... [2024-11-12 06:15:39,900 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-1.i [2024-11-12 06:15:39,914 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:15:39,914 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:15:39,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:15:39,981 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;@5574d36b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:15:39,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:15:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 112 states have (on average 1.5535714285714286) internal successors, (174), 113 states have internal predecessors, (174), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:15:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 06:15:40,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:40,012 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:40,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:40,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -142788450, now seen corresponding path program 1 times [2024-11-12 06:15:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:40,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655775784] [2024-11-12 06:15:40,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:41,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:41,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655775784] [2024-11-12 06:15:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655775784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:41,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:41,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:15:41,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748271160] [2024-11-12 06:15:41,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:41,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:15:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:41,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:15:41,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:41,103 INFO L87 Difference]: Start difference. First operand has 158 states, 112 states have (on average 1.5535714285714286) internal successors, (174), 113 states have internal predecessors, (174), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:41,202 INFO L93 Difference]: Finished difference Result 376 states and 673 transitions. [2024-11-12 06:15:41,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:15:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 285 [2024-11-12 06:15:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:41,224 INFO L225 Difference]: With dead ends: 376 [2024-11-12 06:15:41,225 INFO L226 Difference]: Without dead ends: 221 [2024-11-12 06:15:41,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:41,234 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 106 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:41,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 482 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:15:41,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-12 06:15:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 162. [2024-11-12 06:15:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 117 states have (on average 1.5384615384615385) internal successors, (180), 117 states have internal predecessors, (180), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-12 06:15:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 266 transitions. [2024-11-12 06:15:41,298 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 266 transitions. Word has length 285 [2024-11-12 06:15:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:41,300 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 266 transitions. [2024-11-12 06:15:41,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2024-11-12 06:15:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 06:15:41,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:41,305 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:41,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:15:41,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:41,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -80748836, now seen corresponding path program 1 times [2024-11-12 06:15:41,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:41,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783809209] [2024-11-12 06:15:41,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:41,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:42,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783809209] [2024-11-12 06:15:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783809209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:42,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:42,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:15:42,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719787275] [2024-11-12 06:15:42,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:42,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:15:42,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:15:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:42,193 INFO L87 Difference]: Start difference. First operand 162 states and 266 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:42,305 INFO L93 Difference]: Finished difference Result 480 states and 792 transitions. [2024-11-12 06:15:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:15:42,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 285 [2024-11-12 06:15:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:42,313 INFO L225 Difference]: With dead ends: 480 [2024-11-12 06:15:42,313 INFO L226 Difference]: Without dead ends: 321 [2024-11-12 06:15:42,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:15:42,316 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 152 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:42,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 488 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:15:42,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-12 06:15:42,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2024-11-12 06:15:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 230 states have (on average 1.5391304347826087) internal successors, (354), 230 states have internal predecessors, (354), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 06:15:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 526 transitions. [2024-11-12 06:15:42,350 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 526 transitions. Word has length 285 [2024-11-12 06:15:42,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:42,352 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 526 transitions. [2024-11-12 06:15:42,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 526 transitions. [2024-11-12 06:15:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 06:15:42,360 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:42,360 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:42,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:15:42,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:42,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:42,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1669096738, now seen corresponding path program 1 times [2024-11-12 06:15:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:42,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094701762] [2024-11-12 06:15:42,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:42,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:44,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:44,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094701762] [2024-11-12 06:15:44,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094701762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:44,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:15:44,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396872355] [2024-11-12 06:15:44,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:44,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:15:44,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:44,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:15:44,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:15:44,154 INFO L87 Difference]: Start difference. First operand 319 states and 526 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:44,689 INFO L93 Difference]: Finished difference Result 834 states and 1377 transitions. [2024-11-12 06:15:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 06:15:44,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 285 [2024-11-12 06:15:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:44,700 INFO L225 Difference]: With dead ends: 834 [2024-11-12 06:15:44,701 INFO L226 Difference]: Without dead ends: 518 [2024-11-12 06:15:44,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:15:44,705 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 183 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:44,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 849 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 06:15:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-12 06:15:44,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 398. [2024-11-12 06:15:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 265 states have (on average 1.4792452830188678) internal successors, (392), 265 states have internal predecessors, (392), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 06:15:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 650 transitions. [2024-11-12 06:15:44,789 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 650 transitions. Word has length 285 [2024-11-12 06:15:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:44,793 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 650 transitions. [2024-11-12 06:15:44,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 650 transitions. [2024-11-12 06:15:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-12 06:15:44,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:44,797 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:44,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:15:44,798 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:44,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:44,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1009565216, now seen corresponding path program 1 times [2024-11-12 06:15:44,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518097023] [2024-11-12 06:15:44,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:45,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:45,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518097023] [2024-11-12 06:15:45,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518097023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:45,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:45,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:15:45,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549309994] [2024-11-12 06:15:45,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:45,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:15:45,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:45,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:15:45,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:15:45,732 INFO L87 Difference]: Start difference. First operand 398 states and 650 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:46,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:46,092 INFO L93 Difference]: Finished difference Result 922 states and 1523 transitions. [2024-11-12 06:15:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:15:46,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 285 [2024-11-12 06:15:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:46,098 INFO L225 Difference]: With dead ends: 922 [2024-11-12 06:15:46,099 INFO L226 Difference]: Without dead ends: 606 [2024-11-12 06:15:46,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 06:15:46,101 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 342 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:46,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 947 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:15:46,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-12 06:15:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 484. [2024-11-12 06:15:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 351 states have (on average 1.5356125356125356) internal successors, (539), 351 states have internal predecessors, (539), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 06:15:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 797 transitions. [2024-11-12 06:15:46,154 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 797 transitions. Word has length 285 [2024-11-12 06:15:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:46,155 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 797 transitions. [2024-11-12 06:15:46,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:15:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 797 transitions. [2024-11-12 06:15:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:15:46,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:46,158 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:46,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:15:46,159 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:46,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash 60213202, now seen corresponding path program 1 times [2024-11-12 06:15:46,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:46,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041227904] [2024-11-12 06:15:46,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:46,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:47,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:47,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041227904] [2024-11-12 06:15:47,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041227904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:47,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:47,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:15:47,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44356144] [2024-11-12 06:15:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:47,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:15:47,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:47,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:15:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:15:47,062 INFO L87 Difference]: Start difference. First operand 484 states and 797 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:15:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:47,331 INFO L93 Difference]: Finished difference Result 987 states and 1636 transitions. [2024-11-12 06:15:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:15:47,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 287 [2024-11-12 06:15:47,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:47,339 INFO L225 Difference]: With dead ends: 987 [2024-11-12 06:15:47,340 INFO L226 Difference]: Without dead ends: 592 [2024-11-12 06:15:47,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:15:47,342 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 273 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:47,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 974 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:15:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-12 06:15:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 490. [2024-11-12 06:15:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 357 states have (on average 1.535014005602241) internal successors, (548), 357 states have internal predecessors, (548), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 06:15:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 806 transitions. [2024-11-12 06:15:47,392 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 806 transitions. Word has length 287 [2024-11-12 06:15:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:15:47,392 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 806 transitions. [2024-11-12 06:15:47,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:15:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 806 transitions. [2024-11-12 06:15:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:15:47,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:15:47,395 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:15:47,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 06:15:47,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:15:47,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:15:47,396 INFO L85 PathProgramCache]: Analyzing trace with hash -641386672, now seen corresponding path program 1 times [2024-11-12 06:15:47,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:15:47,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316129360] [2024-11-12 06:15:47,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:15:47,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:15:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:15:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:15:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:15:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:15:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:15:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:15:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:15:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:15:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:15:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:15:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:15:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:15:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:15:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:15:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:15:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:15:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:15:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:15:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:15:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:15:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:15:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:15:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:15:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:15:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:52,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:15:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:15:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:15:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:15:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:15:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:15:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:15:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:15:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:15:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:15:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:15:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:15:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:15:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:15:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:15:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:15:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:15:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:15:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:15:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:15:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:15:53,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:15:53,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316129360] [2024-11-12 06:15:53,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316129360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:15:53,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:15:53,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 06:15:53,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617741264] [2024-11-12 06:15:53,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:15:53,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 06:15:53,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:15:53,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 06:15:53,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-12 06:15:53,298 INFO L87 Difference]: Start difference. First operand 490 states and 806 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 4 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2024-11-12 06:15:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:15:59,968 INFO L93 Difference]: Finished difference Result 2656 states and 4488 transitions. [2024-11-12 06:15:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 06:15:59,969 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 4 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 287 [2024-11-12 06:15:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:15:59,980 INFO L225 Difference]: With dead ends: 2656 [2024-11-12 06:15:59,981 INFO L226 Difference]: Without dead ends: 2276 [2024-11-12 06:15:59,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=391, Invalid=869, Unknown=0, NotChecked=0, Total=1260 [2024-11-12 06:15:59,986 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 3654 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3654 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:15:59,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3654 Valid, 2732 Invalid, 2683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-12 06:15:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2024-11-12 06:16:00,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 594. [2024-11-12 06:16:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 461 states have (on average 1.5683297180043383) internal successors, (723), 461 states have internal predecessors, (723), 129 states have call successors, (129), 3 states have call predecessors, (129), 3 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 06:16:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 981 transitions. [2024-11-12 06:16:00,054 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 981 transitions. Word has length 287 [2024-11-12 06:16:00,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:00,054 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 981 transitions. [2024-11-12 06:16:00,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 4 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2024-11-12 06:16:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 981 transitions. [2024-11-12 06:16:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:00,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:00,058 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 06:16:00,058 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:00,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:00,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1662455026, now seen corresponding path program 1 times [2024-11-12 06:16:00,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:00,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176010936] [2024-11-12 06:16:00,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:03,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:03,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176010936] [2024-11-12 06:16:03,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176010936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:03,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:03,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 06:16:03,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536125776] [2024-11-12 06:16:03,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:03,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 06:16:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 06:16:03,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:16:03,392 INFO L87 Difference]: Start difference. First operand 594 states and 981 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:07,299 INFO L93 Difference]: Finished difference Result 2326 states and 3900 transitions. [2024-11-12 06:16:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 06:16:07,299 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 287 [2024-11-12 06:16:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:07,308 INFO L225 Difference]: With dead ends: 2326 [2024-11-12 06:16:07,309 INFO L226 Difference]: Without dead ends: 1980 [2024-11-12 06:16:07,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=289, Invalid=641, Unknown=0, NotChecked=0, Total=930 [2024-11-12 06:16:07,313 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 2827 mSDsluCounter, 2221 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:07,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 2598 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1844 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 06:16:07,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-11-12 06:16:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 608. [2024-11-12 06:16:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 474 states have (on average 1.5654008438818565) internal successors, (742), 474 states have internal predecessors, (742), 129 states have call successors, (129), 4 states have call predecessors, (129), 4 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-12 06:16:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 1000 transitions. [2024-11-12 06:16:07,381 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 1000 transitions. Word has length 287 [2024-11-12 06:16:07,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:07,382 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 1000 transitions. [2024-11-12 06:16:07,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1000 transitions. [2024-11-12 06:16:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:07,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:07,388 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:07,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 06:16:07,388 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:07,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:07,388 INFO L85 PathProgramCache]: Analyzing trace with hash -775400178, now seen corresponding path program 1 times [2024-11-12 06:16:07,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:07,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629221283] [2024-11-12 06:16:07,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:08,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:08,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629221283] [2024-11-12 06:16:08,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629221283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:08,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:08,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 06:16:08,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653531511] [2024-11-12 06:16:08,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:08,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 06:16:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 06:16:08,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-12 06:16:08,662 INFO L87 Difference]: Start difference. First operand 608 states and 1000 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:10,332 INFO L93 Difference]: Finished difference Result 2713 states and 4541 transitions. [2024-11-12 06:16:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 06:16:10,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 287 [2024-11-12 06:16:10,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:10,342 INFO L225 Difference]: With dead ends: 2713 [2024-11-12 06:16:10,343 INFO L226 Difference]: Without dead ends: 2359 [2024-11-12 06:16:10,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2024-11-12 06:16:10,346 INFO L435 NwaCegarLoop]: 581 mSDtfsCounter, 1185 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2957 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:10,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2957 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 06:16:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2359 states. [2024-11-12 06:16:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2359 to 1239. [2024-11-12 06:16:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1017 states have (on average 1.6116027531956736) internal successors, (1639), 1017 states have internal predecessors, (1639), 215 states have call successors, (215), 6 states have call predecessors, (215), 6 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-12 06:16:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2069 transitions. [2024-11-12 06:16:10,433 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2069 transitions. Word has length 287 [2024-11-12 06:16:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:10,433 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 2069 transitions. [2024-11-12 06:16:10,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2069 transitions. [2024-11-12 06:16:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:10,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:10,437 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:10,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 06:16:10,437 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:10,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:10,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1409597326, now seen corresponding path program 1 times [2024-11-12 06:16:10,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:10,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227587765] [2024-11-12 06:16:10,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:10,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:12,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:12,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227587765] [2024-11-12 06:16:12,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227587765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:12,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:12,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 06:16:12,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796890591] [2024-11-12 06:16:12,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:12,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 06:16:12,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:12,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 06:16:12,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 06:16:12,918 INFO L87 Difference]: Start difference. First operand 1239 states and 2069 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:13,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:13,821 INFO L93 Difference]: Finished difference Result 3028 states and 5086 transitions. [2024-11-12 06:16:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 06:16:13,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 287 [2024-11-12 06:16:13,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:13,831 INFO L225 Difference]: With dead ends: 3028 [2024-11-12 06:16:13,831 INFO L226 Difference]: Without dead ends: 2066 [2024-11-12 06:16:13,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-12 06:16:13,836 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 684 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:13,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 1052 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 06:16:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2024-11-12 06:16:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1703. [2024-11-12 06:16:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1481 states have (on average 1.638757596218771) internal successors, (2427), 1481 states have internal predecessors, (2427), 215 states have call successors, (215), 6 states have call predecessors, (215), 6 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-12 06:16:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2857 transitions. [2024-11-12 06:16:13,928 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2857 transitions. Word has length 287 [2024-11-12 06:16:13,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:13,928 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2857 transitions. [2024-11-12 06:16:13,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2857 transitions. [2024-11-12 06:16:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:13,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:13,931 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:13,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 06:16:13,931 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:13,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:13,932 INFO L85 PathProgramCache]: Analyzing trace with hash 398480076, now seen corresponding path program 1 times [2024-11-12 06:16:13,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:13,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523496292] [2024-11-12 06:16:13,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:13,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:17,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:17,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523496292] [2024-11-12 06:16:17,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523496292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:17,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:17,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 06:16:17,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075263701] [2024-11-12 06:16:17,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:17,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 06:16:17,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:17,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 06:16:17,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-12 06:16:17,676 INFO L87 Difference]: Start difference. First operand 1703 states and 2857 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:20,356 INFO L93 Difference]: Finished difference Result 5666 states and 9489 transitions. [2024-11-12 06:16:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 06:16:20,356 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 287 [2024-11-12 06:16:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:20,375 INFO L225 Difference]: With dead ends: 5666 [2024-11-12 06:16:20,376 INFO L226 Difference]: Without dead ends: 5252 [2024-11-12 06:16:20,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2024-11-12 06:16:20,382 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 3100 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:20,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 1821 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 06:16:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2024-11-12 06:16:20,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 1739. [2024-11-12 06:16:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1739 states, 1517 states have (on average 1.6407382992748847) internal successors, (2489), 1517 states have internal predecessors, (2489), 215 states have call successors, (215), 6 states have call predecessors, (215), 6 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-12 06:16:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2919 transitions. [2024-11-12 06:16:20,512 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2919 transitions. Word has length 287 [2024-11-12 06:16:20,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:20,513 INFO L471 AbstractCegarLoop]: Abstraction has 1739 states and 2919 transitions. [2024-11-12 06:16:20,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2919 transitions. [2024-11-12 06:16:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:20,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:20,516 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:20,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 06:16:20,516 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:20,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:20,517 INFO L85 PathProgramCache]: Analyzing trace with hash 264466570, now seen corresponding path program 1 times [2024-11-12 06:16:20,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:20,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76530363] [2024-11-12 06:16:20,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:20,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:22,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76530363] [2024-11-12 06:16:22,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76530363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:22,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:22,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 06:16:22,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276975138] [2024-11-12 06:16:22,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:22,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 06:16:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:22,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 06:16:22,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-12 06:16:22,253 INFO L87 Difference]: Start difference. First operand 1739 states and 2919 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:16:23,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:23,374 INFO L93 Difference]: Finished difference Result 4287 states and 7170 transitions. [2024-11-12 06:16:23,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 06:16:23,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 287 [2024-11-12 06:16:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:23,389 INFO L225 Difference]: With dead ends: 4287 [2024-11-12 06:16:23,389 INFO L226 Difference]: Without dead ends: 3261 [2024-11-12 06:16:23,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-12 06:16:23,395 INFO L435 NwaCegarLoop]: 411 mSDtfsCounter, 593 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:23,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 1766 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 06:16:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2024-11-12 06:16:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 1703. [2024-11-12 06:16:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1481 states have (on average 1.638757596218771) internal successors, (2427), 1481 states have internal predecessors, (2427), 215 states have call successors, (215), 6 states have call predecessors, (215), 6 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-12 06:16:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2857 transitions. [2024-11-12 06:16:23,521 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2857 transitions. Word has length 287 [2024-11-12 06:16:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:23,521 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2857 transitions. [2024-11-12 06:16:23,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 2 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-12 06:16:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2857 transitions. [2024-11-12 06:16:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:23,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:23,524 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:23,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 06:16:23,524 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:23,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash 931426764, now seen corresponding path program 1 times [2024-11-12 06:16:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295380870] [2024-11-12 06:16:23,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:23,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:25,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:25,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295380870] [2024-11-12 06:16:25,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295380870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:25,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:25,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 06:16:25,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719332894] [2024-11-12 06:16:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:25,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 06:16:25,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:25,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 06:16:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-12 06:16:25,279 INFO L87 Difference]: Start difference. First operand 1703 states and 2857 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:28,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:28,257 INFO L93 Difference]: Finished difference Result 9401 states and 15894 transitions. [2024-11-12 06:16:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 06:16:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 287 [2024-11-12 06:16:28,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:28,304 INFO L225 Difference]: With dead ends: 9401 [2024-11-12 06:16:28,308 INFO L226 Difference]: Without dead ends: 8465 [2024-11-12 06:16:28,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2024-11-12 06:16:28,320 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 2942 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2942 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:28,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2942 Valid, 2281 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-12 06:16:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8465 states. [2024-11-12 06:16:28,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8465 to 3370. [2024-11-12 06:16:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3370 states, 2923 states have (on average 1.627437564146425) internal successors, (4757), 2927 states have internal predecessors, (4757), 427 states have call successors, (427), 19 states have call predecessors, (427), 19 states have return successors, (427), 423 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-12 06:16:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 5611 transitions. [2024-11-12 06:16:28,559 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 5611 transitions. Word has length 287 [2024-11-12 06:16:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:28,560 INFO L471 AbstractCegarLoop]: Abstraction has 3370 states and 5611 transitions. [2024-11-12 06:16:28,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 5611 transitions. [2024-11-12 06:16:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:28,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:28,564 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:28,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 06:16:28,564 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:28,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:28,565 INFO L85 PathProgramCache]: Analyzing trace with hash 797413258, now seen corresponding path program 1 times [2024-11-12 06:16:28,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:28,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273204166] [2024-11-12 06:16:28,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:28,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:30,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:30,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273204166] [2024-11-12 06:16:30,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273204166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:30,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:30,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 06:16:30,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208311920] [2024-11-12 06:16:30,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:30,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 06:16:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:30,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 06:16:30,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:16:30,422 INFO L87 Difference]: Start difference. First operand 3370 states and 5611 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:33,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:33,459 INFO L93 Difference]: Finished difference Result 10077 states and 16896 transitions. [2024-11-12 06:16:33,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 06:16:33,460 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 287 [2024-11-12 06:16:33,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:33,482 INFO L225 Difference]: With dead ends: 10077 [2024-11-12 06:16:33,482 INFO L226 Difference]: Without dead ends: 7629 [2024-11-12 06:16:33,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=405, Unknown=0, NotChecked=0, Total=600 [2024-11-12 06:16:33,491 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 2493 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:33,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 2589 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-12 06:16:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7629 states. [2024-11-12 06:16:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7629 to 3310. [2024-11-12 06:16:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 2863 states have (on average 1.6252183024799163) internal successors, (4653), 2867 states have internal predecessors, (4653), 427 states have call successors, (427), 19 states have call predecessors, (427), 19 states have return successors, (427), 423 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-12 06:16:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 5507 transitions. [2024-11-12 06:16:33,771 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 5507 transitions. Word has length 287 [2024-11-12 06:16:33,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:33,771 INFO L471 AbstractCegarLoop]: Abstraction has 3310 states and 5507 transitions. [2024-11-12 06:16:33,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-12 06:16:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 5507 transitions. [2024-11-12 06:16:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:33,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:33,781 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:33,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 06:16:33,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:33,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash -623144624, now seen corresponding path program 1 times [2024-11-12 06:16:33,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:33,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775741130] [2024-11-12 06:16:33,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:34,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:34,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775741130] [2024-11-12 06:16:34,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775741130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:34,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:34,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:16:34,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815402750] [2024-11-12 06:16:34,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:34,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:16:34,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:34,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:16:34,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:16:34,171 INFO L87 Difference]: Start difference. First operand 3310 states and 5507 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:34,443 INFO L93 Difference]: Finished difference Result 7094 states and 11811 transitions. [2024-11-12 06:16:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:16:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 287 [2024-11-12 06:16:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:34,458 INFO L225 Difference]: With dead ends: 7094 [2024-11-12 06:16:34,459 INFO L226 Difference]: Without dead ends: 4053 [2024-11-12 06:16:34,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:34,467 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 170 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:34,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 737 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:34,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4053 states. [2024-11-12 06:16:34,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4053 to 3227. [2024-11-12 06:16:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2780 states have (on average 1.6201438848920864) internal successors, (4504), 2784 states have internal predecessors, (4504), 427 states have call successors, (427), 19 states have call predecessors, (427), 19 states have return successors, (427), 423 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-12 06:16:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 5358 transitions. [2024-11-12 06:16:34,650 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 5358 transitions. Word has length 287 [2024-11-12 06:16:34,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 5358 transitions. [2024-11-12 06:16:34,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 5358 transitions. [2024-11-12 06:16:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-11-12 06:16:34,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:34,654 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:34,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 06:16:34,654 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:34,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1228857200, now seen corresponding path program 1 times [2024-11-12 06:16:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:34,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962309184] [2024-11-12 06:16:34,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:34,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 3 proven. 123 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-12 06:16:35,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962309184] [2024-11-12 06:16:35,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962309184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129744600] [2024-11-12 06:16:35,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:35,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:35,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:16:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:35,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 06:16:35,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:16:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1882 proven. 96 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2024-11-12 06:16:36,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:16:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 30 proven. 96 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-12 06:16:37,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129744600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:16:37,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:16:37,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 6] total 15 [2024-11-12 06:16:37,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546071628] [2024-11-12 06:16:37,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:16:37,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 06:16:37,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 06:16:37,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-12 06:16:37,127 INFO L87 Difference]: Start difference. First operand 3227 states and 5358 transitions. Second operand has 15 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 7 states have call successors, (127), 4 states have call predecessors, (127), 7 states have return successors, (128), 7 states have call predecessors, (128), 7 states have call successors, (128) [2024-11-12 06:16:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:38,080 INFO L93 Difference]: Finished difference Result 5576 states and 9013 transitions. [2024-11-12 06:16:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-12 06:16:38,081 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 7 states have call successors, (127), 4 states have call predecessors, (127), 7 states have return successors, (128), 7 states have call predecessors, (128), 7 states have call successors, (128) Word has length 287 [2024-11-12 06:16:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:38,095 INFO L225 Difference]: With dead ends: 5576 [2024-11-12 06:16:38,095 INFO L226 Difference]: Without dead ends: 2512 [2024-11-12 06:16:38,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=439, Invalid=1367, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 06:16:38,105 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1327 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:38,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 765 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 06:16:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2024-11-12 06:16:38,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 978. [2024-11-12 06:16:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 739 states have (on average 1.4776725304465494) internal successors, (1092), 739 states have internal predecessors, (1092), 215 states have call successors, (215), 23 states have call predecessors, (215), 23 states have return successors, (215), 215 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-12 06:16:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1522 transitions. [2024-11-12 06:16:38,250 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1522 transitions. Word has length 287 [2024-11-12 06:16:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:38,251 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1522 transitions. [2024-11-12 06:16:38,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 7 states have call successors, (127), 4 states have call predecessors, (127), 7 states have return successors, (128), 7 states have call predecessors, (128), 7 states have call successors, (128) [2024-11-12 06:16:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1522 transitions. [2024-11-12 06:16:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-12 06:16:38,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:38,252 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:38,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 06:16:38,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 06:16:38,454 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:38,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:38,455 INFO L85 PathProgramCache]: Analyzing trace with hash 71077841, now seen corresponding path program 1 times [2024-11-12 06:16:38,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:38,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843436041] [2024-11-12 06:16:38,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:38,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:38,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:38,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843436041] [2024-11-12 06:16:38,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843436041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:38,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:38,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:38,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593677266] [2024-11-12 06:16:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:38,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:38,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:38,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:38,756 INFO L87 Difference]: Start difference. First operand 978 states and 1522 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:38,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:38,999 INFO L93 Difference]: Finished difference Result 1686 states and 2641 transitions. [2024-11-12 06:16:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:39,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 291 [2024-11-12 06:16:39,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:39,006 INFO L225 Difference]: With dead ends: 1686 [2024-11-12 06:16:39,006 INFO L226 Difference]: Without dead ends: 1304 [2024-11-12 06:16:39,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:39,008 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 147 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:39,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 545 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:39,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2024-11-12 06:16:39,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1302. [2024-11-12 06:16:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 969 states have (on average 1.4613003095975232) internal successors, (1416), 969 states have internal predecessors, (1416), 301 states have call successors, (301), 31 states have call predecessors, (301), 31 states have return successors, (301), 301 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-12 06:16:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 2018 transitions. [2024-11-12 06:16:39,213 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 2018 transitions. Word has length 291 [2024-11-12 06:16:39,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:39,213 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 2018 transitions. [2024-11-12 06:16:39,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 2018 transitions. [2024-11-12 06:16:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-12 06:16:39,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:39,215 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:39,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 06:16:39,216 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:39,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1998726633, now seen corresponding path program 1 times [2024-11-12 06:16:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:39,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216605616] [2024-11-12 06:16:39,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:39,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:39,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:39,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216605616] [2024-11-12 06:16:39,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216605616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:39,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:39,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:39,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893337298] [2024-11-12 06:16:39,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:39,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:39,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:39,388 INFO L87 Difference]: Start difference. First operand 1302 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:39,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:39,624 INFO L93 Difference]: Finished difference Result 3395 states and 5290 transitions. [2024-11-12 06:16:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:39,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 293 [2024-11-12 06:16:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:39,633 INFO L225 Difference]: With dead ends: 3395 [2024-11-12 06:16:39,633 INFO L226 Difference]: Without dead ends: 2338 [2024-11-12 06:16:39,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:39,636 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 207 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:39,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 640 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:39,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2024-11-12 06:16:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1680. [2024-11-12 06:16:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1347 states have (on average 1.5248700816629548) internal successors, (2054), 1347 states have internal predecessors, (2054), 301 states have call successors, (301), 31 states have call predecessors, (301), 31 states have return successors, (301), 301 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-12 06:16:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2656 transitions. [2024-11-12 06:16:39,798 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2656 transitions. Word has length 293 [2024-11-12 06:16:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:39,799 INFO L471 AbstractCegarLoop]: Abstraction has 1680 states and 2656 transitions. [2024-11-12 06:16:39,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2656 transitions. [2024-11-12 06:16:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:39,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:39,802 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:39,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 06:16:39,802 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:39,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1607366050, now seen corresponding path program 1 times [2024-11-12 06:16:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:39,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575810284] [2024-11-12 06:16:39,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:39,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:39,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:39,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575810284] [2024-11-12 06:16:39,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575810284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:39,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:39,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:39,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164330513] [2024-11-12 06:16:39,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:39,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:39,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:39,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:39,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:39,946 INFO L87 Difference]: Start difference. First operand 1680 states and 2656 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:40,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:40,228 INFO L93 Difference]: Finished difference Result 3682 states and 5774 transitions. [2024-11-12 06:16:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:40,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-12 06:16:40,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:40,238 INFO L225 Difference]: With dead ends: 3682 [2024-11-12 06:16:40,238 INFO L226 Difference]: Without dead ends: 2514 [2024-11-12 06:16:40,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:40,242 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 198 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:40,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 468 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2024-11-12 06:16:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 1856. [2024-11-12 06:16:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1523 states have (on average 1.5443204202232437) internal successors, (2352), 1523 states have internal predecessors, (2352), 301 states have call successors, (301), 31 states have call predecessors, (301), 31 states have return successors, (301), 301 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-12 06:16:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2954 transitions. [2024-11-12 06:16:40,423 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2954 transitions. Word has length 294 [2024-11-12 06:16:40,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:40,424 INFO L471 AbstractCegarLoop]: Abstraction has 1856 states and 2954 transitions. [2024-11-12 06:16:40,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2954 transitions. [2024-11-12 06:16:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:40,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:40,426 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:40,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 06:16:40,426 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:40,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash 131702073, now seen corresponding path program 1 times [2024-11-12 06:16:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:40,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417592796] [2024-11-12 06:16:40,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417592796] [2024-11-12 06:16:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417592796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:40,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:40,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:16:40,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803440924] [2024-11-12 06:16:40,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:40,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:16:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:40,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:16:40,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:16:40,805 INFO L87 Difference]: Start difference. First operand 1856 states and 2954 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:40,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:40,988 INFO L93 Difference]: Finished difference Result 3488 states and 5569 transitions. [2024-11-12 06:16:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 06:16:40,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 294 [2024-11-12 06:16:40,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:40,996 INFO L225 Difference]: With dead ends: 3488 [2024-11-12 06:16:40,996 INFO L226 Difference]: Without dead ends: 1856 [2024-11-12 06:16:40,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:41,000 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 94 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:41,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 596 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:16:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-12 06:16:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1856. [2024-11-12 06:16:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1523 states have (on average 1.5246224556795798) internal successors, (2322), 1523 states have internal predecessors, (2322), 301 states have call successors, (301), 31 states have call predecessors, (301), 31 states have return successors, (301), 301 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-12 06:16:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2924 transitions. [2024-11-12 06:16:41,185 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2924 transitions. Word has length 294 [2024-11-12 06:16:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:41,185 INFO L471 AbstractCegarLoop]: Abstraction has 1856 states and 2924 transitions. [2024-11-12 06:16:41,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2924 transitions. [2024-11-12 06:16:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 06:16:41,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:41,189 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:41,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 06:16:41,189 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:41,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1831770207, now seen corresponding path program 1 times [2024-11-12 06:16:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464919936] [2024-11-12 06:16:41,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:41,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:41,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:41,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464919936] [2024-11-12 06:16:41,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464919936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:41,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:41,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 06:16:41,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590954011] [2024-11-12 06:16:41,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:41,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 06:16:41,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:41,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 06:16:41,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 06:16:41,643 INFO L87 Difference]: Start difference. First operand 1856 states and 2924 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:41,891 INFO L93 Difference]: Finished difference Result 4233 states and 6754 transitions. [2024-11-12 06:16:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 06:16:41,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-12 06:16:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:41,899 INFO L225 Difference]: With dead ends: 4233 [2024-11-12 06:16:41,900 INFO L226 Difference]: Without dead ends: 3428 [2024-11-12 06:16:41,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:16:41,903 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 179 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:41,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 731 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2024-11-12 06:16:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 2309. [2024-11-12 06:16:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1976 states have (on average 1.5541497975708503) internal successors, (3071), 1976 states have internal predecessors, (3071), 301 states have call successors, (301), 31 states have call predecessors, (301), 31 states have return successors, (301), 301 states have call predecessors, (301), 301 states have call successors, (301) [2024-11-12 06:16:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3673 transitions. [2024-11-12 06:16:42,077 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3673 transitions. Word has length 295 [2024-11-12 06:16:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:42,078 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3673 transitions. [2024-11-12 06:16:42,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3673 transitions. [2024-11-12 06:16:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 06:16:42,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:42,080 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:42,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 06:16:42,081 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:42,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:42,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2040495263, now seen corresponding path program 1 times [2024-11-12 06:16:42,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:42,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237205021] [2024-11-12 06:16:42,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-11-12 06:16:43,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:43,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237205021] [2024-11-12 06:16:43,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237205021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:43,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:43,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 06:16:43,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792496241] [2024-11-12 06:16:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:43,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 06:16:43,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:43,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 06:16:43,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:16:43,255 INFO L87 Difference]: Start difference. First operand 2309 states and 3673 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:44,395 INFO L93 Difference]: Finished difference Result 7375 states and 11577 transitions. [2024-11-12 06:16:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 06:16:44,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 295 [2024-11-12 06:16:44,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:44,414 INFO L225 Difference]: With dead ends: 7375 [2024-11-12 06:16:44,414 INFO L226 Difference]: Without dead ends: 5536 [2024-11-12 06:16:44,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-12 06:16:44,420 INFO L435 NwaCegarLoop]: 677 mSDtfsCounter, 747 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:44,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1318 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 06:16:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5536 states. [2024-11-12 06:16:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5536 to 4193. [2024-11-12 06:16:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 3576 states have (on average 1.5405480984340045) internal successors, (5509), 3576 states have internal predecessors, (5509), 559 states have call successors, (559), 57 states have call predecessors, (559), 57 states have return successors, (559), 559 states have call predecessors, (559), 559 states have call successors, (559) [2024-11-12 06:16:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 6627 transitions. [2024-11-12 06:16:44,744 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 6627 transitions. Word has length 295 [2024-11-12 06:16:44,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:44,745 INFO L471 AbstractCegarLoop]: Abstraction has 4193 states and 6627 transitions. [2024-11-12 06:16:44,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-12 06:16:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 6627 transitions. [2024-11-12 06:16:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 06:16:44,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:44,748 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:44,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 06:16:44,748 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:44,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:44,749 INFO L85 PathProgramCache]: Analyzing trace with hash 260327327, now seen corresponding path program 1 times [2024-11-12 06:16:44,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:44,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972011110] [2024-11-12 06:16:44,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 06:16:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 06:16:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 06:16:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 06:16:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 06:16:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 06:16:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 06:16:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 06:16:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 06:16:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 06:16:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 06:16:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 06:16:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 06:16:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-12 06:16:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 06:16:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-12 06:16:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-12 06:16:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-12 06:16:45,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972011110] [2024-11-12 06:16:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972011110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865898474] [2024-11-12 06:16:45,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:45,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:45,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:45,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process