./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.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 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:38:58,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:38:58,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:38:58,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:38:58,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:38:58,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:38:58,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:38:58,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:38:58,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:38:58,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:38:58,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:38:58,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:38:58,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:38:58,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:38:58,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:38:58,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:38:58,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:38:58,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:38:58,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:38:58,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:38:58,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:38:58,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:38:58,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:38:58,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:38:58,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:38:58,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:38:58,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:38:58,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:38:58,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:38:58,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:38:58,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:38:58,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:38:58,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:38:58,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:38:58,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:38:58,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:38:58,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:38:58,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:38:58,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:38:58,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:38:58,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:38:58,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:38:58,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0187c0226e7b7468f7a0294cd8b2139ff70ed258b94c84a844f5927a4b55b158 [2024-11-20 07:38:59,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:38:59,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:38:59,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:38:59,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:38:59,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:38:59,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-11-20 07:39:00,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:39:00,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:39:00,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-92.i [2024-11-20 07:39:00,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713714ce1/5627b1e9bf0f416898ab5dbede1778bf/FLAGdeb813b29 [2024-11-20 07:39:00,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713714ce1/5627b1e9bf0f416898ab5dbede1778bf [2024-11-20 07:39:00,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:39:00,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:39:00,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:39:00,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:39:00,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:39:00,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:00" (1/1) ... [2024-11-20 07:39:00,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf0f89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:00, skipping insertion in model container [2024-11-20 07:39:00,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:39:00" (1/1) ... [2024-11-20 07:39:00,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:39:00,904 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-92.i[916,929] [2024-11-20 07:39:01,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:39:01,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:39:01,022 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-92.i[916,929] [2024-11-20 07:39:01,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:39:01,092 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:39:01,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01 WrapperNode [2024-11-20 07:39:01,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:39:01,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:39:01,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:39:01,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:39:01,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,180 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-11-20 07:39:01,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:39:01,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:39:01,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:39:01,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:39:01,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,245 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]. [2024-11-20 07:39:01,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:39:01,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:39:01,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:39:01,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:39:01,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2024-11-20 07:39:01,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:39:01,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:39:01,329 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) [2024-11-20 07:39:01,332 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 [2024-11-20 07:39:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:39:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:39:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:39:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:39:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:39:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:39:01,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:39:01,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:39:02,183 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-20 07:39:02,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:39:02,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:39:02,198 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:39:02,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:02 BoogieIcfgContainer [2024-11-20 07:39:02,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:39:02,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:39:02,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:39:02,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:39:02,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:39:00" (1/3) ... [2024-11-20 07:39:02,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198ec486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:02, skipping insertion in model container [2024-11-20 07:39:02,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (2/3) ... [2024-11-20 07:39:02,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198ec486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:02, skipping insertion in model container [2024-11-20 07:39:02,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:02" (3/3) ... [2024-11-20 07:39:02,206 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-92.i [2024-11-20 07:39:02,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:39:02,221 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:39:02,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:39:02,288 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;@317ca347, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:39:02,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:39:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 149 states have (on average 1.4899328859060403) internal successors, (222), 150 states have internal predecessors, (222), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 07:39:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-20 07:39:02,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:02,314 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:02,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:02,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash 512443293, now seen corresponding path program 1 times [2024-11-20 07:39:02,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:02,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663551050] [2024-11-20 07:39:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:02,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:02,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:02,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663551050] [2024-11-20 07:39:02,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663551050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:02,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:02,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:39:02,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534405812] [2024-11-20 07:39:02,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:02,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:39:02,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:39:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:39:02,928 INFO L87 Difference]: Start difference. First operand has 198 states, 149 states have (on average 1.4899328859060403) internal successors, (222), 150 states have internal predecessors, (222), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:02,960 INFO L93 Difference]: Finished difference Result 389 states and 668 transitions. [2024-11-20 07:39:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:39:02,966 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 318 [2024-11-20 07:39:02,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:02,976 INFO L225 Difference]: With dead ends: 389 [2024-11-20 07:39:02,976 INFO L226 Difference]: Without dead ends: 194 [2024-11-20 07:39:02,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:39:02,986 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:02,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:39:03,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-20 07:39:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-20 07:39:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 146 states have (on average 1.4726027397260273) internal successors, (215), 146 states have internal predecessors, (215), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 07:39:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 307 transitions. [2024-11-20 07:39:03,043 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 307 transitions. Word has length 318 [2024-11-20 07:39:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:03,044 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 307 transitions. [2024-11-20 07:39:03,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 307 transitions. [2024-11-20 07:39:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-20 07:39:03,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:03,052 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:03,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:39:03,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:03,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:03,058 INFO L85 PathProgramCache]: Analyzing trace with hash 680313069, now seen corresponding path program 1 times [2024-11-20 07:39:03,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:03,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735025035] [2024-11-20 07:39:03,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:03,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:03,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:03,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735025035] [2024-11-20 07:39:03,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735025035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:03,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:39:03,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393404658] [2024-11-20 07:39:03,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:03,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:39:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:03,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:39:03,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:03,476 INFO L87 Difference]: Start difference. First operand 194 states and 307 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:03,570 INFO L93 Difference]: Finished difference Result 572 states and 907 transitions. [2024-11-20 07:39:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:39:03,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 318 [2024-11-20 07:39:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:03,579 INFO L225 Difference]: With dead ends: 572 [2024-11-20 07:39:03,582 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 07:39:03,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:03,584 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 293 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:03,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 787 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:39:03,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 07:39:03,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 211. [2024-11-20 07:39:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.4846625766871167) internal successors, (242), 163 states have internal predecessors, (242), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 07:39:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 334 transitions. [2024-11-20 07:39:03,621 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 334 transitions. Word has length 318 [2024-11-20 07:39:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:03,624 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 334 transitions. [2024-11-20 07:39:03,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 334 transitions. [2024-11-20 07:39:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-20 07:39:03,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:03,632 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:03,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:39:03,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:03,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:03,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2100553901, now seen corresponding path program 1 times [2024-11-20 07:39:03,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:03,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052486318] [2024-11-20 07:39:03,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:03,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:04,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:04,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052486318] [2024-11-20 07:39:04,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052486318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:04,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:04,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:39:04,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369817872] [2024-11-20 07:39:04,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:04,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:39:04,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:04,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:39:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:04,018 INFO L87 Difference]: Start difference. First operand 211 states and 334 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:04,075 INFO L93 Difference]: Finished difference Result 589 states and 931 transitions. [2024-11-20 07:39:04,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:39:04,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 318 [2024-11-20 07:39:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:04,079 INFO L225 Difference]: With dead ends: 589 [2024-11-20 07:39:04,079 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 07:39:04,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:04,088 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 284 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:04,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 594 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:39:04,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 07:39:04,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 211. [2024-11-20 07:39:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.4662576687116564) internal successors, (239), 163 states have internal predecessors, (239), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 07:39:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 331 transitions. [2024-11-20 07:39:04,109 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 331 transitions. Word has length 318 [2024-11-20 07:39:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:04,110 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 331 transitions. [2024-11-20 07:39:04,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 331 transitions. [2024-11-20 07:39:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-20 07:39:04,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:04,116 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:04,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:39:04,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:04,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:04,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1384060499, now seen corresponding path program 1 times [2024-11-20 07:39:04,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:04,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696283516] [2024-11-20 07:39:04,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:04,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:04,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:04,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696283516] [2024-11-20 07:39:04,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696283516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:04,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:04,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:39:04,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090666368] [2024-11-20 07:39:04,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:04,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:39:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:04,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:39:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:04,439 INFO L87 Difference]: Start difference. First operand 211 states and 331 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:04,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:04,498 INFO L93 Difference]: Finished difference Result 541 states and 846 transitions. [2024-11-20 07:39:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:39:04,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 318 [2024-11-20 07:39:04,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:04,503 INFO L225 Difference]: With dead ends: 541 [2024-11-20 07:39:04,503 INFO L226 Difference]: Without dead ends: 333 [2024-11-20 07:39:04,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:04,508 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 133 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:04,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 603 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:39:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-20 07:39:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 330. [2024-11-20 07:39:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 277 states have (on average 1.4945848375451263) internal successors, (414), 278 states have internal predecessors, (414), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-20 07:39:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 514 transitions. [2024-11-20 07:39:04,530 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 514 transitions. Word has length 318 [2024-11-20 07:39:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:04,531 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 514 transitions. [2024-11-20 07:39:04,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 514 transitions. [2024-11-20 07:39:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-20 07:39:04,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:04,541 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:04,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:39:04,542 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:04,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:04,542 INFO L85 PathProgramCache]: Analyzing trace with hash 993371012, now seen corresponding path program 1 times [2024-11-20 07:39:04,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:04,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321389309] [2024-11-20 07:39:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:05,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:05,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321389309] [2024-11-20 07:39:05,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321389309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:05,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:05,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:05,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902982873] [2024-11-20 07:39:05,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:05,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:05,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:05,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:05,072 INFO L87 Difference]: Start difference. First operand 330 states and 514 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:05,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:05,265 INFO L93 Difference]: Finished difference Result 975 states and 1524 transitions. [2024-11-20 07:39:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:05,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 319 [2024-11-20 07:39:05,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:05,270 INFO L225 Difference]: With dead ends: 975 [2024-11-20 07:39:05,270 INFO L226 Difference]: Without dead ends: 648 [2024-11-20 07:39:05,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:05,272 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 261 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:05,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 877 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-20 07:39:05,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 626. [2024-11-20 07:39:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 526 states have (on average 1.5038022813688212) internal successors, (791), 527 states have internal predecessors, (791), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 07:39:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 983 transitions. [2024-11-20 07:39:05,306 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 983 transitions. Word has length 319 [2024-11-20 07:39:05,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:05,307 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 983 transitions. [2024-11-20 07:39:05,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 983 transitions. [2024-11-20 07:39:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-20 07:39:05,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:05,312 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:05,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:39:05,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:05,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1384342306, now seen corresponding path program 1 times [2024-11-20 07:39:05,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:05,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703960671] [2024-11-20 07:39:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703960671] [2024-11-20 07:39:05,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703960671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:05,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:05,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:05,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887923535] [2024-11-20 07:39:05,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:05,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:05,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:05,850 INFO L87 Difference]: Start difference. First operand 626 states and 983 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:06,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:06,066 INFO L93 Difference]: Finished difference Result 1638 states and 2552 transitions. [2024-11-20 07:39:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:06,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 320 [2024-11-20 07:39:06,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:06,071 INFO L225 Difference]: With dead ends: 1638 [2024-11-20 07:39:06,071 INFO L226 Difference]: Without dead ends: 1099 [2024-11-20 07:39:06,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:06,073 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 389 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:06,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 937 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2024-11-20 07:39:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1077. [2024-11-20 07:39:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 925 states have (on average 1.492972972972973) internal successors, (1381), 927 states have internal predecessors, (1381), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 07:39:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1673 transitions. [2024-11-20 07:39:06,120 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1673 transitions. Word has length 320 [2024-11-20 07:39:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:06,120 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1673 transitions. [2024-11-20 07:39:06,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1673 transitions. [2024-11-20 07:39:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-20 07:39:06,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:06,124 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:06,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:39:06,124 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:06,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:06,125 INFO L85 PathProgramCache]: Analyzing trace with hash 721237407, now seen corresponding path program 1 times [2024-11-20 07:39:06,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:06,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977917827] [2024-11-20 07:39:06,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:06,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:06,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:06,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977917827] [2024-11-20 07:39:06,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977917827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:06,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:06,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116256425] [2024-11-20 07:39:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:06,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:06,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:06,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:06,772 INFO L87 Difference]: Start difference. First operand 1077 states and 1673 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:07,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:07,027 INFO L93 Difference]: Finished difference Result 2109 states and 3262 transitions. [2024-11-20 07:39:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:07,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 321 [2024-11-20 07:39:07,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:07,031 INFO L225 Difference]: With dead ends: 2109 [2024-11-20 07:39:07,032 INFO L226 Difference]: Without dead ends: 1119 [2024-11-20 07:39:07,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:07,033 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 253 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:07,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 875 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-20 07:39:07,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1085. [2024-11-20 07:39:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 933 states have (on average 1.487674169346195) internal successors, (1388), 935 states have internal predecessors, (1388), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 07:39:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1680 transitions. [2024-11-20 07:39:07,076 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1680 transitions. Word has length 321 [2024-11-20 07:39:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:07,076 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1680 transitions. [2024-11-20 07:39:07,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:07,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1680 transitions. [2024-11-20 07:39:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-20 07:39:07,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:07,079 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:07,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 07:39:07,080 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:07,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1700834143, now seen corresponding path program 1 times [2024-11-20 07:39:07,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:07,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103307967] [2024-11-20 07:39:07,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:07,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:07,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103307967] [2024-11-20 07:39:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103307967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:07,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:07,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:39:07,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221951497] [2024-11-20 07:39:07,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:07,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:39:07,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:07,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:39:07,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:07,737 INFO L87 Difference]: Start difference. First operand 1085 states and 1680 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:07,893 INFO L93 Difference]: Finished difference Result 2735 states and 4210 transitions. [2024-11-20 07:39:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:39:07,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 322 [2024-11-20 07:39:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:07,902 INFO L225 Difference]: With dead ends: 2735 [2024-11-20 07:39:07,902 INFO L226 Difference]: Without dead ends: 1846 [2024-11-20 07:39:07,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:39:07,905 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 269 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:07,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 744 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:39:07,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-11-20 07:39:07,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1097. [2024-11-20 07:39:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 945 states have (on average 1.4814814814814814) internal successors, (1400), 947 states have internal predecessors, (1400), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 07:39:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1692 transitions. [2024-11-20 07:39:07,983 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1692 transitions. Word has length 322 [2024-11-20 07:39:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:07,983 INFO L471 AbstractCegarLoop]: Abstraction has 1097 states and 1692 transitions. [2024-11-20 07:39:07,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1692 transitions. [2024-11-20 07:39:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-20 07:39:07,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:07,986 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:07,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 07:39:07,987 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:07,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:07,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1762873757, now seen corresponding path program 1 times [2024-11-20 07:39:07,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:07,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877239542] [2024-11-20 07:39:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:08,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:08,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877239542] [2024-11-20 07:39:08,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877239542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:08,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:08,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:08,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705235870] [2024-11-20 07:39:08,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:08,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:08,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:08,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:08,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:08,635 INFO L87 Difference]: Start difference. First operand 1097 states and 1692 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:08,895 INFO L93 Difference]: Finished difference Result 2186 states and 3362 transitions. [2024-11-20 07:39:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 322 [2024-11-20 07:39:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:08,900 INFO L225 Difference]: With dead ends: 2186 [2024-11-20 07:39:08,900 INFO L226 Difference]: Without dead ends: 1203 [2024-11-20 07:39:08,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:08,902 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 298 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:08,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 871 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-11-20 07:39:08,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1097. [2024-11-20 07:39:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 945 states have (on average 1.475132275132275) internal successors, (1394), 947 states have internal predecessors, (1394), 146 states have call successors, (146), 5 states have call predecessors, (146), 5 states have return successors, (146), 144 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 07:39:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1686 transitions. [2024-11-20 07:39:08,964 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1686 transitions. Word has length 322 [2024-11-20 07:39:08,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:08,964 INFO L471 AbstractCegarLoop]: Abstraction has 1097 states and 1686 transitions. [2024-11-20 07:39:08,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1686 transitions. [2024-11-20 07:39:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-20 07:39:08,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:08,967 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:08,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 07:39:08,967 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:08,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:08,968 INFO L85 PathProgramCache]: Analyzing trace with hash 3489058, now seen corresponding path program 1 times [2024-11-20 07:39:08,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:08,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442256943] [2024-11-20 07:39:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:08,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:09,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442256943] [2024-11-20 07:39:09,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442256943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:09,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:09,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:39:09,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035573492] [2024-11-20 07:39:09,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:09,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:39:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:09,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:39:09,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:09,763 INFO L87 Difference]: Start difference. First operand 1097 states and 1686 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:10,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:10,588 INFO L93 Difference]: Finished difference Result 4464 states and 6869 transitions. [2024-11-20 07:39:10,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:39:10,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 323 [2024-11-20 07:39:10,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:10,603 INFO L225 Difference]: With dead ends: 4464 [2024-11-20 07:39:10,603 INFO L226 Difference]: Without dead ends: 3660 [2024-11-20 07:39:10,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 07:39:10,607 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 922 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:10,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2148 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:39:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2024-11-20 07:39:10,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 2914. [2024-11-20 07:39:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2554 states have (on average 1.4835552075176195) internal successors, (3789), 2560 states have internal predecessors, (3789), 346 states have call successors, (346), 13 states have call predecessors, (346), 13 states have return successors, (346), 340 states have call predecessors, (346), 346 states have call successors, (346) [2024-11-20 07:39:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4481 transitions. [2024-11-20 07:39:10,825 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4481 transitions. Word has length 323 [2024-11-20 07:39:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:10,826 INFO L471 AbstractCegarLoop]: Abstraction has 2914 states and 4481 transitions. [2024-11-20 07:39:10,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4481 transitions. [2024-11-20 07:39:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-20 07:39:10,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:10,830 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:10,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 07:39:10,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:10,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:10,831 INFO L85 PathProgramCache]: Analyzing trace with hash 426190884, now seen corresponding path program 1 times [2024-11-20 07:39:10,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:10,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126860976] [2024-11-20 07:39:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:10,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:11,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:11,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126860976] [2024-11-20 07:39:11,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126860976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:11,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:11,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:39:11,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447990312] [2024-11-20 07:39:11,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:11,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:39:11,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:11,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:39:11,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:11,747 INFO L87 Difference]: Start difference. First operand 2914 states and 4481 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:12,301 INFO L93 Difference]: Finished difference Result 6771 states and 10346 transitions. [2024-11-20 07:39:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:39:12,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 323 [2024-11-20 07:39:12,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:12,321 INFO L225 Difference]: With dead ends: 6771 [2024-11-20 07:39:12,322 INFO L226 Difference]: Without dead ends: 5435 [2024-11-20 07:39:12,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 07:39:12,326 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 493 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:12,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 890 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:39:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5435 states. [2024-11-20 07:39:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5435 to 5385. [2024-11-20 07:39:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5385 states, 4706 states have (on average 1.4694007649808756) internal successors, (6915), 4718 states have internal predecessors, (6915), 646 states have call successors, (646), 32 states have call predecessors, (646), 32 states have return successors, (646), 634 states have call predecessors, (646), 646 states have call successors, (646) [2024-11-20 07:39:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5385 states to 5385 states and 8207 transitions. [2024-11-20 07:39:12,638 INFO L78 Accepts]: Start accepts. Automaton has 5385 states and 8207 transitions. Word has length 323 [2024-11-20 07:39:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:12,639 INFO L471 AbstractCegarLoop]: Abstraction has 5385 states and 8207 transitions. [2024-11-20 07:39:12,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5385 states and 8207 transitions. [2024-11-20 07:39:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-20 07:39:12,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:12,642 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 07:39:12,643 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:12,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash 912782932, now seen corresponding path program 1 times [2024-11-20 07:39:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492315972] [2024-11-20 07:39:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:19,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:19,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492315972] [2024-11-20 07:39:19,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492315972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:19,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:19,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 07:39:19,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057799388] [2024-11-20 07:39:19,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:19,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:39:19,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:19,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:39:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:39:19,791 INFO L87 Difference]: Start difference. First operand 5385 states and 8207 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:20,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:20,578 INFO L93 Difference]: Finished difference Result 13007 states and 19633 transitions. [2024-11-20 07:39:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 07:39:20,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-20 07:39:20,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:20,624 INFO L225 Difference]: With dead ends: 13007 [2024-11-20 07:39:20,627 INFO L226 Difference]: Without dead ends: 8401 [2024-11-20 07:39:20,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:39:20,650 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 459 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:20,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1803 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 07:39:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2024-11-20 07:39:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 6854. [2024-11-20 07:39:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6854 states, 6139 states have (on average 1.4624531682684476) internal successors, (8978), 6163 states have internal predecessors, (8978), 670 states have call successors, (670), 44 states have call predecessors, (670), 44 states have return successors, (670), 646 states have call predecessors, (670), 670 states have call successors, (670) [2024-11-20 07:39:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6854 states to 6854 states and 10318 transitions. [2024-11-20 07:39:21,278 INFO L78 Accepts]: Start accepts. Automaton has 6854 states and 10318 transitions. Word has length 324 [2024-11-20 07:39:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:21,279 INFO L471 AbstractCegarLoop]: Abstraction has 6854 states and 10318 transitions. [2024-11-20 07:39:21,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 6854 states and 10318 transitions. [2024-11-20 07:39:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-20 07:39:21,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:21,290 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:21,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 07:39:21,291 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:21,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:21,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1296061404, now seen corresponding path program 1 times [2024-11-20 07:39:21,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:21,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144722874] [2024-11-20 07:39:21,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:21,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144722874] [2024-11-20 07:39:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144722874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:22,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:22,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645505452] [2024-11-20 07:39:22,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:22,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:22,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:22,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:22,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:22,160 INFO L87 Difference]: Start difference. First operand 6854 states and 10318 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:22,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:22,784 INFO L93 Difference]: Finished difference Result 19844 states and 29914 transitions. [2024-11-20 07:39:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:22,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-20 07:39:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:22,863 INFO L225 Difference]: With dead ends: 19844 [2024-11-20 07:39:22,866 INFO L226 Difference]: Without dead ends: 13368 [2024-11-20 07:39:22,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:22,896 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 181 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:22,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 801 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:39:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13368 states. [2024-11-20 07:39:23,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13368 to 13318. [2024-11-20 07:39:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 11937 states have (on average 1.4526262880120633) internal successors, (17340), 11985 states have internal predecessors, (17340), 1294 states have call successors, (1294), 86 states have call predecessors, (1294), 86 states have return successors, (1294), 1246 states have call predecessors, (1294), 1294 states have call successors, (1294) [2024-11-20 07:39:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19928 transitions. [2024-11-20 07:39:23,554 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19928 transitions. Word has length 324 [2024-11-20 07:39:23,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:23,555 INFO L471 AbstractCegarLoop]: Abstraction has 13318 states and 19928 transitions. [2024-11-20 07:39:23,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19928 transitions. [2024-11-20 07:39:23,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-20 07:39:23,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:23,562 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:23,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 07:39:23,562 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:23,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1718763230, now seen corresponding path program 1 times [2024-11-20 07:39:23,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:23,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734159851] [2024-11-20 07:39:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:31,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:31,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734159851] [2024-11-20 07:39:31,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734159851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:31,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:31,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 07:39:31,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077822499] [2024-11-20 07:39:31,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:31,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 07:39:31,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:31,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 07:39:31,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 07:39:31,476 INFO L87 Difference]: Start difference. First operand 13318 states and 19928 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:32,791 INFO L93 Difference]: Finished difference Result 27970 states and 41719 transitions. [2024-11-20 07:39:32,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 07:39:32,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 324 [2024-11-20 07:39:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:32,846 INFO L225 Difference]: With dead ends: 27970 [2024-11-20 07:39:32,846 INFO L226 Difference]: Without dead ends: 16175 [2024-11-20 07:39:32,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-20 07:39:32,874 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 490 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:32,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2628 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 07:39:32,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16175 states. [2024-11-20 07:39:33,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16175 to 11819. [2024-11-20 07:39:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11819 states, 10533 states have (on average 1.4588436342922244) internal successors, (15366), 10557 states have internal predecessors, (15366), 1198 states have call successors, (1198), 87 states have call predecessors, (1198), 87 states have return successors, (1198), 1174 states have call predecessors, (1198), 1198 states have call successors, (1198) [2024-11-20 07:39:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11819 states to 11819 states and 17762 transitions. [2024-11-20 07:39:33,577 INFO L78 Accepts]: Start accepts. Automaton has 11819 states and 17762 transitions. Word has length 324 [2024-11-20 07:39:33,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:33,578 INFO L471 AbstractCegarLoop]: Abstraction has 11819 states and 17762 transitions. [2024-11-20 07:39:33,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 11819 states and 17762 transitions. [2024-11-20 07:39:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 07:39:33,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:33,585 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:33,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 07:39:33,585 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:33,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash 32049702, now seen corresponding path program 1 times [2024-11-20 07:39:33,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528457891] [2024-11-20 07:39:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:33,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:34,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:34,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528457891] [2024-11-20 07:39:34,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528457891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:34,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:34,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:39:34,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267955435] [2024-11-20 07:39:34,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:34,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:39:34,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:34,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:39:34,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:39:34,185 INFO L87 Difference]: Start difference. First operand 11819 states and 17762 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:34,877 INFO L93 Difference]: Finished difference Result 32273 states and 47894 transitions. [2024-11-20 07:39:34,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:39:34,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 325 [2024-11-20 07:39:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:34,938 INFO L225 Difference]: With dead ends: 32273 [2024-11-20 07:39:34,939 INFO L226 Difference]: Without dead ends: 21927 [2024-11-20 07:39:34,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:39:34,970 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 427 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:34,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1064 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:39:34,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21927 states. [2024-11-20 07:39:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21927 to 9835. [2024-11-20 07:39:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9835 states, 8596 states have (on average 1.4589343880874825) internal successors, (12541), 8596 states have internal predecessors, (12541), 1150 states have call successors, (1150), 88 states have call predecessors, (1150), 88 states have return successors, (1150), 1150 states have call predecessors, (1150), 1150 states have call successors, (1150) [2024-11-20 07:39:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9835 states to 9835 states and 14841 transitions. [2024-11-20 07:39:35,863 INFO L78 Accepts]: Start accepts. Automaton has 9835 states and 14841 transitions. Word has length 325 [2024-11-20 07:39:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:35,864 INFO L471 AbstractCegarLoop]: Abstraction has 9835 states and 14841 transitions. [2024-11-20 07:39:35,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 9835 states and 14841 transitions. [2024-11-20 07:39:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 07:39:35,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:35,869 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:35,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 07:39:35,870 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:35,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:35,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1955277736, now seen corresponding path program 1 times [2024-11-20 07:39:35,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:35,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016663562] [2024-11-20 07:39:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:35,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:41,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:41,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016663562] [2024-11-20 07:39:41,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016663562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:41,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:41,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 07:39:41,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339689898] [2024-11-20 07:39:41,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:41,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:39:41,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:41,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:39:41,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:39:41,122 INFO L87 Difference]: Start difference. First operand 9835 states and 14841 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:42,608 INFO L93 Difference]: Finished difference Result 24289 states and 36547 transitions. [2024-11-20 07:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 07:39:42,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 325 [2024-11-20 07:39:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:42,652 INFO L225 Difference]: With dead ends: 24289 [2024-11-20 07:39:42,653 INFO L226 Difference]: Without dead ends: 15557 [2024-11-20 07:39:42,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:39:42,672 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 632 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:42,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1882 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 07:39:42,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15557 states. [2024-11-20 07:39:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15557 to 9509. [2024-11-20 07:39:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9509 states, 8270 states have (on average 1.4533252720677146) internal successors, (12019), 8270 states have internal predecessors, (12019), 1150 states have call successors, (1150), 88 states have call predecessors, (1150), 88 states have return successors, (1150), 1150 states have call predecessors, (1150), 1150 states have call successors, (1150) [2024-11-20 07:39:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9509 states to 9509 states and 14319 transitions. [2024-11-20 07:39:43,253 INFO L78 Accepts]: Start accepts. Automaton has 9509 states and 14319 transitions. Word has length 325 [2024-11-20 07:39:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:43,254 INFO L471 AbstractCegarLoop]: Abstraction has 9509 states and 14319 transitions. [2024-11-20 07:39:43,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9509 states and 14319 transitions. [2024-11-20 07:39:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 07:39:43,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:43,258 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:43,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 07:39:43,259 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:43,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:43,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1977847122, now seen corresponding path program 1 times [2024-11-20 07:39:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:43,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134550371] [2024-11-20 07:39:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:43,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:44,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:44,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134550371] [2024-11-20 07:39:44,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134550371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:44,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:44,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 07:39:44,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429287525] [2024-11-20 07:39:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:44,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 07:39:44,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:44,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 07:39:44,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:39:44,147 INFO L87 Difference]: Start difference. First operand 9509 states and 14319 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:46,889 INFO L93 Difference]: Finished difference Result 50651 states and 74902 transitions. [2024-11-20 07:39:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 07:39:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 325 [2024-11-20 07:39:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:46,975 INFO L225 Difference]: With dead ends: 50651 [2024-11-20 07:39:46,975 INFO L226 Difference]: Without dead ends: 41815 [2024-11-20 07:39:47,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:39:47,003 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 1636 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:47,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 1249 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 07:39:47,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41815 states. [2024-11-20 07:39:48,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41815 to 15937. [2024-11-20 07:39:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15937 states, 14374 states have (on average 1.4667455127313205) internal successors, (21083), 14398 states have internal predecessors, (21083), 1390 states have call successors, (1390), 172 states have call predecessors, (1390), 172 states have return successors, (1390), 1366 states have call predecessors, (1390), 1390 states have call successors, (1390) [2024-11-20 07:39:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15937 states to 15937 states and 23863 transitions. [2024-11-20 07:39:48,570 INFO L78 Accepts]: Start accepts. Automaton has 15937 states and 23863 transitions. Word has length 325 [2024-11-20 07:39:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:48,571 INFO L471 AbstractCegarLoop]: Abstraction has 15937 states and 23863 transitions. [2024-11-20 07:39:48,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-11-20 07:39:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 15937 states and 23863 transitions. [2024-11-20 07:39:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 07:39:48,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:48,579 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:48,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 07:39:48,579 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:48,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:48,580 INFO L85 PathProgramCache]: Analyzing trace with hash -591643728, now seen corresponding path program 1 times [2024-11-20 07:39:48,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:48,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267488606] [2024-11-20 07:39:48,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:49,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:49,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267488606] [2024-11-20 07:39:49,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267488606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:49,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:39:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179154980] [2024-11-20 07:39:49,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:49,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:39:49,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:49,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:39:49,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:49,292 INFO L87 Difference]: Start difference. First operand 15937 states and 23863 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:50,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:39:50,650 INFO L93 Difference]: Finished difference Result 38751 states and 57055 transitions. [2024-11-20 07:39:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:39:50,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 325 [2024-11-20 07:39:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:39:50,745 INFO L225 Difference]: With dead ends: 38751 [2024-11-20 07:39:50,746 INFO L226 Difference]: Without dead ends: 23937 [2024-11-20 07:39:50,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:39:50,766 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 257 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:39:50,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 810 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:39:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23937 states. [2024-11-20 07:39:51,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23937 to 15435. [2024-11-20 07:39:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15435 states, 13824 states have (on average 1.4555121527777777) internal successors, (20121), 13848 states have internal predecessors, (20121), 1390 states have call successors, (1390), 220 states have call predecessors, (1390), 220 states have return successors, (1390), 1366 states have call predecessors, (1390), 1390 states have call successors, (1390) [2024-11-20 07:39:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15435 states to 15435 states and 22901 transitions. [2024-11-20 07:39:51,957 INFO L78 Accepts]: Start accepts. Automaton has 15435 states and 22901 transitions. Word has length 325 [2024-11-20 07:39:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:39:51,958 INFO L471 AbstractCegarLoop]: Abstraction has 15435 states and 22901 transitions. [2024-11-20 07:39:51,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:39:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 15435 states and 22901 transitions. [2024-11-20 07:39:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 07:39:51,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:39:51,965 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:39:51,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 07:39:51,965 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:39:51,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:39:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1922753388, now seen corresponding path program 1 times [2024-11-20 07:39:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:39:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398498972] [2024-11-20 07:39:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:39:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:39:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:39:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:39:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:39:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:39:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:39:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:39:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:39:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:39:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:39:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:39:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:39:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:39:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:39:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:39:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:39:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:39:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:39:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:39:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:39:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:39:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:39:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:39:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:39:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:39:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:39:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:39:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:39:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:39:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:39:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:39:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:39:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:39:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:39:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:39:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:39:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:39:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:39:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:39:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:39:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:39:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:39:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:39:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:39:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:39:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:39:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:39:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:39:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-20 07:39:58,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:39:58,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398498972] [2024-11-20 07:39:58,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398498972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:39:58,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:39:58,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 07:39:58,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840650992] [2024-11-20 07:39:58,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:39:58,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 07:39:58,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:39:58,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 07:39:58,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 07:39:58,025 INFO L87 Difference]: Start difference. First operand 15435 states and 22901 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:40:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:00,207 INFO L93 Difference]: Finished difference Result 40069 states and 58402 transitions. [2024-11-20 07:40:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:40:00,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 325 [2024-11-20 07:40:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:00,257 INFO L225 Difference]: With dead ends: 40069 [2024-11-20 07:40:00,258 INFO L226 Difference]: Without dead ends: 26435 [2024-11-20 07:40:00,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 07:40:00,277 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 705 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:00,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1582 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 07:40:00,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26435 states. [2024-11-20 07:40:01,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26435 to 14593. [2024-11-20 07:40:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14593 states, 12982 states have (on average 1.4448467108303806) internal successors, (18757), 13006 states have internal predecessors, (18757), 1390 states have call successors, (1390), 220 states have call predecessors, (1390), 220 states have return successors, (1390), 1366 states have call predecessors, (1390), 1390 states have call successors, (1390) [2024-11-20 07:40:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14593 states to 14593 states and 21537 transitions. [2024-11-20 07:40:01,308 INFO L78 Accepts]: Start accepts. Automaton has 14593 states and 21537 transitions. Word has length 325 [2024-11-20 07:40:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:40:01,309 INFO L471 AbstractCegarLoop]: Abstraction has 14593 states and 21537 transitions. [2024-11-20 07:40:01,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-11-20 07:40:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 14593 states and 21537 transitions. [2024-11-20 07:40:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-20 07:40:01,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:40:01,315 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:40:01,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 07:40:01,315 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:40:01,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:40:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1267148805, now seen corresponding path program 1 times [2024-11-20 07:40:01,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:40:01,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019664209] [2024-11-20 07:40:01,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:01,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:40:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:40:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:40:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:40:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 07:40:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 07:40:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 07:40:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 07:40:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 07:40:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 07:40:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 07:40:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 07:40:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 07:40:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 07:40:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 07:40:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 07:40:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 07:40:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 07:40:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 07:40:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:40:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 07:40:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:40:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 07:40:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 07:40:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 07:40:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:40:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:40:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-20 07:40:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 07:40:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 07:40:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 07:40:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:40:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-20 07:40:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:40:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-20 07:40:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:40:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 07:40:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 07:40:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 07:40:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 07:40:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:40:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 07:40:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:40:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 07:40:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:40:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 07:40:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:40:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 30 proven. 105 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2024-11-20 07:40:02,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:40:02,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019664209] [2024-11-20 07:40:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019664209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 07:40:02,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202196146] [2024-11-20 07:40:02,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:40:02,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 07:40:02,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:40:02,040 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) [2024-11-20 07:40:02,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 07:40:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:40:02,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 07:40:02,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 07:40:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1653 proven. 99 refuted. 0 times theorem prover too weak. 2388 trivial. 0 not checked. [2024-11-20 07:40:03,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 07:40:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 36 proven. 99 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2024-11-20 07:40:03,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202196146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 07:40:03,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 07:40:03,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 20 [2024-11-20 07:40:03,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544236667] [2024-11-20 07:40:03,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 07:40:03,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 07:40:03,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:40:03,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 07:40:03,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-11-20 07:40:03,550 INFO L87 Difference]: Start difference. First operand 14593 states and 21537 transitions. Second operand has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 7 states have call successors, (138), 3 states have call predecessors, (138), 6 states have return successors, (138), 6 states have call predecessors, (138), 7 states have call successors, (138) [2024-11-20 07:40:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:40:13,927 INFO L93 Difference]: Finished difference Result 88803 states and 129008 transitions. [2024-11-20 07:40:13,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-20 07:40:13,928 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 7 states have call successors, (138), 3 states have call predecessors, (138), 6 states have return successors, (138), 6 states have call predecessors, (138), 7 states have call successors, (138) Word has length 327 [2024-11-20 07:40:13,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:40:14,127 INFO L225 Difference]: With dead ends: 88803 [2024-11-20 07:40:14,127 INFO L226 Difference]: Without dead ends: 74957 [2024-11-20 07:40:14,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2616 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1370, Invalid=5940, Unknown=0, NotChecked=0, Total=7310 [2024-11-20 07:40:14,175 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 7656 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 1990 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7702 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 3797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 1990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 07:40:14,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7702 Valid, 2364 Invalid, 3797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 1990 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 07:40:14,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74957 states.